My hummer summer, part 2 — beauty in flight, beauty at rest

ruby-throated-hummingbird-i77a8438-maria-de-bruynIn my previous blog, I mentioned that the ruby-throated hummingbirds (Archilocus colubris) had a greater variety of flowering plants to visit in my yard this year and that increased the size and diversity of their nectar buffet. The availability of multiple food sources also meant that they spent a bit more time visiting – they didn’t just dash to a feeder, perch or hover for a drink and then take off. They visited feeders, different blooms and took little rests between meals, giving me numerous chances to watch them and practice my hummingbird photography – a win-win for both us!

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One of their favorite flowers were the lantanas (Lantana), which are also a favorite of mine as they attract many smaller pollinators such as bees and butterflies and are still profusely blooming in the latter half of October.

 

 

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This year, several types of sage brightened my gardens. Some deep blue Brazilian sage plants (Salvia guaranitica), kindly donated to me by Gail, a fellow birder, added color and provided the hummers with deep blooms into which they could insert their long bills.

 

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ruby-throated-hummingbird-i77a7519-maria-de-bruyn-resA small-leaf sage (also known as Festival or little-leaf sage, Salvia microphylla “San Carlos Festival”) provided an ongoing splash of deep red blooms that attracted the hummers over and over again. This plant not only graced the garden in the summer but is still blooming profusely now, making it another one of my favorites. A couple other different red sages and a red beebalm (Monarda didyma) were good nectar choices but they didn’t bloom as long or in such abundance. Perhaps next year, they will have gained strength.

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ruby-throated-hummingbird-i77a1160-maria-de-bruyn-resThe two stonecrop plants (Hylotelephium Autumn joy), in my front garden, with their rounded bunches of little pink flowers, had hummer visitors on a few occasions, but these are not one of their preferred blooms. The milkweed plants (Asclepias syriaca) also only had a few visits as far as I could tell.

 

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And it was the same story for the blue balloon flower (Platycodon grandiflorus), which does get its fair share of bees.

 

 

 

ruby-throated-hummingbird-i77a2198-maria-de-bruyn-resI had planted cardinal flowers (Lobelia cardinalis), which unfortunately didn’t get any flowers. I did see a bird visiting this plant species near Bolin Creek, however. The same happened with a trumpet vine (Campsis radicans), but at a vine cluster near the Haw River I saw how they inserted their heads entirely into the tubular blooms.

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In between feedings, the hummingbirds will perch to watch for intruders into “their space”. But they also will take sun-baths, pointing their faces upward and puffing themselves up.

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They will then change shape, stretching their necks and spreading their wings and tail feathers to expose as much of their bodies as possible to the sunlight.

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They may relieve themselves while they are in flight and then later take a little power nap of a few seconds.

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Grooming is also a frequent activity – these little avians make sure that they stay just as beautiful as the sweet flowers that they frequent!

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When the males turn their heads so that the light hits them in different ways, they do a nice job of demonstrating that their bright gorget colors are not in the feathers themselves but the result of prism cells in their feathers that change how the light is reflected depending on the angle we see.

ruby-throated-hummingbird-i77a1126-maria-de-bruyn-res    ruby-throated-hummingbird-i77a1120-maria-de-bruyn-res

ruby-throated-hummingbird-i77a6366-maria-de-bruyn-resWhen they’re done sun bathing, grooming and resting, the hummingbirds need to take off again. However, their feet are so tiny that they can’t walk and, when they lift off, they also don’t have the foot strength to push.  So they rise into the air using the power of their wings, quickly flapping as they set off and rapidly reaching their usual rate of about 50-53 beats per second.

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ruby-throated-hummingbird-i77a7167-maria-de-bruyn-resMy last summer hummingbird residents appear to have left for their Central American wintering grounds on 7 October, just before Hurricane Matthew arrived in North Carolina. I really hope that they were able to get through the windy environment without problems as they began their long migratory journeys and I am already looking forward to seeing them arrive next spring. In the meantime, I’m keeping a couple feeders up in case another hummer species decides to over-winter here – and the Carolina chickadees (Poecile carolinensis), Northern cardinals (Cardinalis cardinalis) and tufted titmice (Baeolophus bicolor) can continue to use the ant guards over the feeders as their preferred watering holes.

 

My hummer summer, part 1 – guarding the home front!

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Just like human beings, some birds like to hang out in groups, while others are more solitary in nature, coming together mainly to reproduce. A prime example of the latter group are the ruby-throated hummingbirds (Archilochus colubris).

 

 

ruby-throated-hummingbird-i77a7336-maria-de-bruyn-res2This past summer, some health and other problems led to my spending a good deal of time at home. The upside was that being a bit home-bound gave me plenty of opportunities to observe the comings and goings of these gorgeous little flyers and to learn more about their behavior towards one another.

I had at least four ruby-throats – and probably more as I couldn’t distinguish them all – visiting my feeders and yard regularly. A couple had a distinctive trait that helped me identify them, like some white feathers on top of their heads or at the bottom part of their gorgets.

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I usually had three or four nectar feeders up in my back yard and two in my front yard. In addition, as the summer progressed, the gardens were filled with increasing numbers of nectar-filled flowers so my home site was a fairly well-stocked larder for them.

The ruby-throats are among the more competitive hummingbirds and don’t really like to share their feeding space with others, although a friend and I visited a birder in a nearby town who had more than a dozen feeders up and many dozens of hummers visiting his back yard every day, feeding right next to one another. At my house, I suppose guarding their food source is an instinctual imperative, since they do consume half their own weight in nectar each day.

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ruby-throated-hummingbird-i77a8255-maria-de-bruyn-resThe tiny birds were quite intent on protecting their territory from intruders. Only thing was, several of them considered my feeders THEIR territory, so there was a continual rotation of birds perched in nearby trees and shrubs to watch for “invaders”. Once spotted, the newly arrived hummers would have the current “resident” bird swoop down on them (at up to 60 miles per hour!), frequently chittering like mad as a warning to “get out of here.”

Sometimes, they would have a little “challenge flight ballet” as they confronted one another, until one gave up and flew off – sometimes across the street, sometimes to the yard on the other side of the house, and sometimes to a nearby tree or shrub at the side of the house.

ruby-throated-hummingbird-i77a8257-maria-de-bruyn-res   ruby-throated-hummingbird-i77a8256-maria-de-bruyn-res

ruby-throated-hummingbird-i77a9443-maria-de-bruyn-resThere was one particular male hummer who seemed particularly aggressive – or perhaps possessive is a better term as I never saw him body slam a rival; he just made sure that the other bird would leave. I recognized him as he often chose exactly the same spots on a nearby Rose of Sharon, a willow oak and a cedar as his watching posts,

Some of those who were run off didn’t travel far, however. They would fly to a nearby tree or shrub and wait to see if Hummer No. 1 would leave.

ruby-throated-hummingbird-i77a0290-maria-de-bruyn-res       ruby-throated-hummingbird-i77a1099-maria-de-bruyn-res

ruby-throated-hummingbird-i77a5725-maria-de-bruyn-resScientists have determined that the brain section responsible for memory and learning – the hippocampus – is five times larger in hummingbirds than in woodpeckers, seabirds and songbirds. They memorize where feeders and nectar flowers are and can remember when they last fed there. They can even estimate how long it will take each flower to fill up with nectar again.

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The hummers’ memory is long-term, too – they recall not only where feeders are placed in their breeding territories but also in places along their yearly migration routes! Wouldn’t it be nice if we had such great memories making GPS and maps less of a necessity?

 

 

 

ruby-throated-hummingbird-i77a7716-maria-de-bruyn-resAnother behavior I observed several times was a hummer hovering in front of me, especially when the nectar feeders were getting low. Scientists have determined that they can recognize the people who replenish their food sources, which makes for a delightful encounter as one chirps at you while suspended in front of your face with its wings flapping at 60 beats per second!

While guarding their home turf, they may stick out their tongues briefly after feeding.

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However, if you see one with its tongue stuck out permanently, this can be a sign of a fungal infection (often acquired from dirty feeders). Their tongues swell with the infection and they can no longer drink with these anatomical, elastic micro-pumps.

 

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Often death ensues, so it’s important to keep the nectar feeders clean!

 

 

 

Coming up in part 2: the beauty of the hummingbirds at rest and in flight

 

Can you go home again? Apparently so!

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This year, I had the good fortune to see both brown-headed nuthatches (Sitta pusilla) and Eastern bluebirds (Sialia sialis) raise broods in some of my nest boxes. I saw the babies fledge, which was truly an enjoyable event.

 

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For some time, the parents continued feeding their babies after they left home, but eventually they got to the point that they could catch or find their own food. As summer progressed, the parents and children both visited my feeders and it was gratifying to see the families thrive. Then during September and October, I saw a behavior that I don’t remember from years past.

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The nuthatches started to return to their nest box almost daily. They didn’t check out nearby boxes but went to their original home and today they are still visiting there, sitting on top, fluttering around it and looking inside.

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Their frequent visits seem to have intrigued a local tufted titmouse (Baeolophus bicolor) who decided to take a look in their box, too,but that was only a one-time visit as far as I could see.

It’s not only the parents doing this, but also one or more of their offspring. So how true is the saying “you can never go home again” (origin a novel by Thomas Wolfe)? It originally meant that you can’t recapture exactly how things were in your youth because changes take place in situations and places. But people do often journey back to the places where they grew up and apparently birds do, too! Maybe they are wondering if their nest box is still the same good place for a home.

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The bluebirds began doing the same with their home nest box as well. They take turns flying from nearby branches to cling to the box and investigate the now empty dwelling. While the nuthatches just lean and peer inside, the bluebirds eventually go inside for a bit.

 

 

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Oddly, there seems to be some contention involved. For example, when this pair was investigating, they had a little tiff for some reason.

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I can only guess that the birds are checking out the nest boxes in anticipation of next year’s nesting season. The nuthatches and bluebirds will begin breeding again around March, although nuthatches might already begin building a new nest as early as December. It will also be interesting to see if they end up roosting in the boxes during the colder winter nights.

brown-headed-nuthatch-i77a4527-maria-de-bruyn-resWatching the nuthatches and bluebirds nest, fledge and feed is an enjoyable pastime and I’m looking forward to seeing them repeat the process next year. In the meantime, perhaps I’ll continue seeing them around the nest boxes this winter – as Pliny the Elder said, “Home is where the heart is” and something is sure attracting them back! (And yes, I know, that is a bit of anthropomorphizing.)

Braeburn Farm is for the birds!

I don’t often get the chance to visit a farm (other than organized farm tours, which are a bit pricey and then might be crowded). Last year, I was invited to one during an annual llama shearing, which was educational. This year, however, I’ve had the chance to visit Braeburn Farm four times so far because the owner and manager have decided to make it a nature reserve as well as a cattle farm. Nick, the land manager, is a birder who is more than willing to share his knowledge with the visitors.

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My first visit to this farmland/nature reserve was in the early spring to see Wilson’s snipes at one of the five ponds. By late June, these birds had moved on but the ponds were now harboring mallards (Anas platyrhynchos), red-winged blackbirds (Agelaius phoeniceus), belted kingfishers (Megaceryle alcyon) and killdeer (Charadrius vociferous).

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belted kingfisher I77A6936© Maria de Bruyn (2)   killdeer I77A6934© Maria de Bruyn res

My quest to see green herons at one pond was unsuccessful, but my 20-minute walk there was accompanied by the non-stop screaming of a red-tailed hawk (Buteo jamaicensis), who called both from tree tops and the air as she circled overhead.

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A non-native bird who might greet you as you come down the road near the farm manager’s home is a helmeted guineafowl (Numida meleagris), the sole survivor of a neighbor’s flock. This bird now comes to visit the domestic chickens (Gallus gallus domesticus) at Braeburn, perhaps seeking some companionship in addition to the easily available chicken feed.

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chicken I77A6949© Maria de Bruyn resThe farm chickens are in a large pen while other chickens run free, including one with a wild hairdo.

A trio of wild turkeys left the woods and entered a field during one of my visits but they were at a considerable distance; still, I could say I had seen them that day! The Eastern meadowlarks (Sturnella magna) have often been visible at a distance in the fields, but on my last visit I saw one a bit closer on a fence post, giving me the chance to enjoy its beautiful plumage.

 

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Eastern kingbirds (Tyrannus tyrannus) can be seen in many of the fields and on wires. They take advantage of the ponds to snag dragonfly meals and the dry grasses provide materials for nests.

 

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They also pose very prettily on the shrubbery!

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The grasshopper sparrows (Ammodramus savannarum) are numerous, which was lovely for me as this species was a lifer for me. If you approach on foot, they fly off, but Nick said they are so used to his motorized cart, they stay put as he chugs on by!

 

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In the spring, when we had gone to see the snipes, we were lucky to see savannah sparrows (Passerculus sandwichensis) running about in the grass (I had at first thought we were seeing field mice scurrying about).

 

 

 

orchard oriole I77A7271© Maria de Bruyn resIn June, a pair of orchard orioles (Icterus scpurius) had built a nest in a tree bordering one pond and I was excited to see two babies just days before they fledged. The father was feeding them and brought one baby a large cricket, which seemed to be too large for it swallow easily. Dad tried to help by pushing it down but when I left, the insect was still sticking out of baby’s mouth and its sibling was still hungry, too.

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barn swallow I77A7161© Maria de Bruyn resThe barn swallows (Hirundo rustica) adopted an abandoned barn as their hotel of choice. When I visited in June, the young had just been fledging; they and their parents were circling the barn and resting on fences nearby, showing off their beautiful colors.

In July, a few stragglers remained in nests. Some that had taken the great leap were hanging around outside, even clutching the barn wall.

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Others were enjoying the view on a wire line, together with some purple martins.

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The fence posts and other farm structures offer resting places for various birds, like the Eastern wood peewee (Contopus virens), chipping sparrow (Spizella passerina), house finches (Haemorhous mexicanus) and Eastern bluebirds (Sialia sialis).

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chipping sparrow I77A6665© Maria de Bruyn res   house finch I77A6529© Maria de Bruyn res

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The turkey vultures (Cathartes aura) take advantage of the cattle’s well-water stations to get a drink, but then may retire to a tree branch for a bit of sunning. Nick likes them better than the black vultures, who had killed a newborn calf when its mother wasn’t taking care of it.

 

 

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Northern mockingbird I77A7669© Maria de Bruyn res

 

Other birds, like the Northern mockingbirds (Mimus polyglottos) and great-crested flycatchers (Myiarchus crinitus) enjoy the view from the vantage of high branches in trees.

 

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While the 500-acre farm is mostly advertised in relation to its beef and opportunities to hold events such as receptions there, the farm management is now increasingly promoting it as a place for wildlife observation as well. The biodiversity in birds, mammals, insects, reptiles and plants is wonderful and my next blog will focus on examples of the non-avian wildlife to be seen there. If you’d like to visit the farm, do contact them!

See anything good?

Sandy Creek path IMG_4981© Maria de Bruyn resThat’s a common question I get when I am out on one of my nature walks. Since I carry a camera with a large zoom lens and often a smaller camera, too, it’s obvious to passersby that I’m out observing nature. And I realize that when they ask the question, what they really want to know is whether I saw anything unusual or spectacular.

A recent walk at Sandy Creek Park in Durham, NC, was a case in point. I told one couple who posed the question that my most memorable sighting so far had been a male ebony jewelwing damselfly (Calopteryx maculata) – the iridescence of its body and wings in the sunlight was wonderful. They smiled a bit uncertainly and the lady of the pair admitted that she didn’t know anything about damselflies as they walked on.

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Fragile Forktail damselfly I77A0648© Maria de Bruyn resAn hour or so later, another couple asked if I had “seen any good ones?” I repeated my delight in seeing the male damselfly, adding that the female is not as striking with her brown color and white spots. “Yes,” said the man, “that is often the case with other species. In our species, though, it’s the females who shine.” That may be the case some of the time, but my day was made by seeing a female damselfly that was a member of a new species for me – the fragile forktail (Ischnura posita).

 

My experience is that I find some beauty in almost all the wildlife I see (ticks and chiggers are an exception). So I want to share a few of those “good things” I saw at Sandy Creek Park last month in a two-part blog “tour”. In this first part, I’ll continue on with the insects.

Identifying dragonflies is not easy since the females and males can look quite different. The great blue skimmer (Libellula vibrans) provides an example – the male lives up to his name with a blue hue and large size, but the female shows off her beauty with a brown and yellow abdomen.

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The Eastern pondhawk (Erythemis simplicicollis) has distinctively different appearances as a male and female. The adult male is a blue individual, sometimes with a bit of greenish tint; the female – and the immature males! – is brilliant with different shades of green. I remember being excited when I first spotted a female as their green color is so striking.

Eastern pondhawk I77A0721© Maria de Bruyn res  Eastern pondhawk I77A0749© Maria de Bruyn res

blue dasher I77A0172©Maria de Bruyn resThe blue dasher dragonfly (Pachydiplax longipennis) has some stripes, as do some of the bumble bees. The brown-belted bumble bee (Bombus griseocollis) lives up to its name with a brown stripe, while this American bumble bee (Bombus pensylvanicus) feeding on a trumpet vine (Campsis radicans) has white bands. Like honey bees, the latter bee has pollen baskets (corbicula) on its hind legs in which it stores pollen. I enjoyed watching this individual – s/he would dip down into the flower, back up a bit, and then plunge forward again, almost always keeping the pollen basket above the tip of the flower.

Brown-belted bumble bee I77A0218©Maria de Bruyn res   American bumble bee I77A0763© Maria de Bruyn2 res

Bumble bee I77A6297© Maria de Bruyn res

 

The pollen gatherers were numerous during both visits and willing to share the sources of their bounty – here you see a bumble bee (Bombus), syrphid fly (Toxomerus marginatus) and sweat bee (Halictus) feeding peacefully together on a coneflower (Echinacea).

 

 

Eastern carpenter bee IMG_0768© Maria de Bruyn res

 

 

The milkweed plants were attracting many species of pollinators; here an Eastern carpenter bee (Xylocopa virginica) was enjoying a meal.

 

 

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While there were many, many bees the days of my visits, there were fewer butterflies but the common buckeye (Junonia coenia) was stunning!

 

 

The little wood satyr (Megisto cymela) and dun skipper (Euphyes vestris, to the lower right on the milkweed) were not as colorful, and some people might even call them dull, but they are still nice to see and the Eusarca moth (Eusarca confusaria) was also an evenly colored beauty. I had grown up thinking moths usually fly at night, attracted by lights so it still draws my attention when I see them in the daytime.

Little wood satyr I77A0584© Maria de Bruyn res         Eastern carpenter bee IMG_0804© Maria de Bruyn 2 res

Confused Eusarca moth Eusarca confusaria I77A5701© Maria de Bruyn

Even a somewhat tattered American lady (Vanessa virginiensis) offered a pretty view.

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The broad-headed sharpshooter (Oncometopia orbona), a leaf hopper, and the spotted pink lady beetle (Coleomegilla maculata) are tiny but such colorful insects that close perusal of the vegetation helps you spot them (and presumably makes it easier for birds to see them, too?).

broad-headed sharpshooter Oncometopia orbona I77A0592© Maria de Bruyn      Spotted pink lady beetle I77A0081©Maria de Bruyn bg

Emerald ash borer trap I77A0719© Maria de Bruyn res

 

One beetle that we don’t really want to see is the emerald ash borer (Agrilus planipennis), an invasive species that came to the USA from Asia. The larvae of these beetles kill ash trees and the park administrators have hung a trap box for them to determine whether this species has reached the park.

 

 

Spotting mammals is not always easy at the park but one day fellow birder Jim was kind enough to alert me to an opossum (Didelphis virginiana) in a tree when we met on a walking path. He told me approximately where it was and I spotted that one and another in a nearby tree; I thought it might be a mother and grown offspring but that was a guess and I certainly couldn’t confirm it. As these are nocturnal animals, it was pretty cool for me to see two in broad daylight. The only marsupial found in the United States and Canada is a beneficial animal for us humans (and other wildlife) as they could eat up to 4000 ticks in a week! 

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One of the pair demonstrated that they can open their jaws widely – watching him/her slowly stretch that mouth offered me a surprise; I would think it couldn’t go any further and the animal continued to show that s/he could really please a dentist who would like lots of space to investigate those teeth.

opossum I77A5897© Maria de Bruyn res

Eastern cottontail rabbitI77A5578© Maria de Bruyn res

 

 

The Eastern cottontail rabbit (Sylvilagus floridanus) was not so lucky, carrying a fat tick in its ear. Too bad the opossums couldn’t come by and groom him/her and remove that pesky arachnid!

 

The park is not only attractive for the entomologists. Reptile enthusiasts can spot turtles fairly easily, especially in the spring when they are looking for places to lay their eggs. A large painted turtle was crossing a field looking for a spot, while an Eastern mud turtle (Kinosternon subrubrum) was trundling down a paved path one morning, not far from a pond which often has many painted turtles and red-eared sliders (Trachemys scripta elegans), like this one – who must have been a bit bothered by a bird feather caught in its shell.

Eastern mud turtle IMG_0741© Maria de Bruyn res    Red-eared slider I77A5941© Maria de Bruyn2

Which bird could it have been? I’m thinking a swallow – see part 2 of the tour for a view of the species and more of the wonderful biodiversity that can be seen in the park.