My nemesis birds!

european-starling-dk7a5386-maria-de-bruyn-resIn the birding world, a “nemesis bird” often refers to a species of bird that is eluding a birder intent on adding to their life list of bird species seen in person. For me, however, a nemesis bird is one that is emptying my feeders and depriving other birds of their bit of nutritional goodness because it descends in such great numbers that no one else has a chance. Which bird is this? It’s the European starling (Sturnus vulgaris), a bird which I admittedly find visually beautiful but rather unattractive as far as temperament goes.

northern-mockingbird-i77a9648-maria-de-bruyn-resOther birders who spend time attracting birds to their yards often comment on how Northern mockingbirds (Mimus polyglottos) chase other birds away – those in my yard feed quite happily alongside other species, however, and even wait their turn for the suet feeders. Another large bird, the brown thrasher (Toxostoma rufum), does the same. In fact, most of the species that visit my yard are content to share feeder space and/or wait their turn.

brown-thrasher-img_9913-maria-de-bruyn-res     sharing-feeders-i77a9154-maria-de-bruyn-res

american-crow-dk7a2281-maria-de-bruyn-resOther species that are called “bully birds” include common grackles (Quiscalus quiscula, below), who can look quite beautiful with iridescent feathers, blackbird species and house sparrows. The grackles and red-winged blackbirds (Agelaius phoeniceus) in my yard have not been too dominant; they do sometimes come in numbers but let other birds near. I haven’t had crowds of grackles lately and when they’ve come, their main concern was to attempt to drive away the American crows (Corvus brachyrhynchos, above), so my main foe has been the starlings.

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They discovered my yard as a buffet about a year ago and introduced their young to the feasting area this past summer.

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What is striking to me is the fact that they not only will “yell” at other species to go away but also compete vigorously with one another for a spot at the platform and other feeders, indicating a rather nasty disposition.

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The young starlings pick up on this behavior quickly.

If I come outside, they quickly fly off and roost high up in the tallest trees; sometimes, they will actually fly off to another place in the neighborhood. Clapping my hands and banging on the window will also get them to leave. However, they stick around to assess whether I will appear and if I don’t come out, they are back in short order.

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Their first love turned out to be the dried mealworms, which are a big hit with the Eastern bluebirds (Sialia sialis), tufted titmice (Baeolophus bicolor), Carolina chickadees (Poecile carolinensis), Carolina wrens (Thryothorus ludovicianus) and pine warblers (Setophaga pinus, left) among other species.

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It’s always a pleasure to see the banded birds return, like the Carolina wren below.

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When five or more starlings gather around a feeder, they literally gulp the mealworms down, making short shrift of a good-sized supply.

european-starling-dk7a0937-maria-de-bruyn-res   european-starling-dk7a2433-maria-de-bruyn-res

northern-cardinal-i77a2061-maria-de-bruyn-resI began putting out only mixed seed, sunflower seeds (Helianthus annuus) and my home-made vegetarian suet, the latter being a favorite for many species: the bluebirds, chickadees, wrens, titmice, yellow-rumped warblers (Setophaga coronata), brown-headed nuthatches (Sitta pusilla), Northern cardinals (Cardinalis cardinalis, left), and downy and red-bellied woodpeckers (Picoides pubescens and Melanerpes carolinus).

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My resident ruby-crowned kinglet (Regulus calendula) hasn’t returned this winter (though I hope he is just late), so he doesn’t have to compete with the much, much larger starlings for his beloved meals.

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european-starling-dk7a5647-maria-de-bruyn-resTo my dismay, when the starlings discovered no mealworms were available, they decided that suet could be a nice substitute. Oy vey! They manage to empty the suet holders in record time.

I waited to put out the suet until I saw no starlings in any of the tall trees surrounding the yard.

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european-starling-i77a7189-maria-de-bruyn-resThe smaller birds came but this lasted only a little while. Soon the starlings showed up, leading me to think that either “scout” or “watch birds” were left behind to warn the flock when preferred food arrived, or they had a tremendous sense of smell that led them to my yard. It does turn out that starlings use their sense of smell to identify plants for their nests, so who’s to say they don’t use it to find food, too?

 

red-bellied-woodpecker-dk7a1833-maria-de-bruyn-resOne bird advice website recommends avoiding sunflower seeds as “bully birds” prefer them. Well, so far, the starlings have assiduously avoided any seeds. So a couple days ago, I filled all the feeders with seed except for the suet feeders – and I stood outside next to them so that the songbirds could have a go at the suet without their bigger avian neighbors chasing them away. It was gratifying to see the little ones enjoy a bit of suet while the starlings perched high above, unwilling to come down in my presence. Today, it was raining persistently but the songbirds were flying to and fro among the feeders so I put suet in three holders and some mealworms in one.

For an hour or so, they had the dried worms and peanut butter-based treat to themselves; then a starling appeared. I went outside but this particular bird didn’t seem to mind. When three of its compatriots arrived and saw me, they swooped away so the little birds still could grab some suet and mealworms.

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Now I’ll wait to see if the starlings begin eating the seed or finally move on or stay away for longer periods. I’m guessing as long as there is occasional suet, they will leave their scouts in place to warn them when a tasty meal is available. And I do want to put out some mealworms now and again so I don’t disappoint the chickadees and wrens who greet me with loud twittering when I approach empty feeders. Non-birders probably think that’s silly (to put it mildly) but I think bird lovers will understand….

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.

ruby-throated-hummingbird-i77a0514-maria-de-bruyn-res

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

 

Chasing Joseph – excitement evoked by an effervescent bird!

 

Calliope hummingbird I77A6799© Maria de Bruyn

Birders can be quite enamored with their pursuit of avian species, some making special trips just to see one bird that they haven’t seen before. Such trips may be within an hour or two of their homes, but there are plenty of birders who travel to other (even distant) regions within their own or another country as well. Some people might say they are a bit crazy, but birding is actually one of the sanest ways to appreciate nature.

Eastern bluebird I77A6750© Maria de Bruyn cardIt generates knowledge, provides rest and relaxation (well, mostly) and many birders contribute to environmental protection and conservation, even if they restrict themselves to observing local species like Eastern bluebirds (Sialia sialis). In addition, while much is made of the money that hunting fees provide for environmental programs, birders also make economic contributions to society – through donations to environmental protection groups and expenditures on birding supplies, ecotourism, etc. The Audubon Society reports that birders and other wildlife observers spend $916 million in the US state of North Carolina alone each year!

Calliope hummingbird I77A6939© Maria de Bruyn resSo, in the last half year, I’ve become a birder who will make a special trip to see a particular bird. In October last year, I traveled 77 miles with friends to see a buff-bellied hummingbird (Amazilia yucatanensis). This year, a shorter distance (22 miles) led me twice to the calliope hummingbird (left, Selasphorus calliope), which is the smallest bird species in North America outside Mexico.

The first visit was pure serendipity; two other birders (Lucretia and Lorentz) and I met birding guide Jan at a reservoir and he mentioned having seen the calliope the previous day. It was only a 10-minute drive from where we were, he said, and the couple hosting the bird was very nice. So we jumped in Lorentz’s car and headed over to the next county in pursuit of our lifer (a bird that one sees for the first time in one’s life).

Calliope hummingbird I77A6897© Maria de BruynThe calliope hummers are the tiniest long-distance migrants of all the world’s birds, traveling from the mountains of the Northwest USA and Canada to Mexico and a few spots in the southern United States in winter. This year, however, a young male landed in the Malinski’s yard; they named him Joseph.

Some other instances of calliope hummingbirds in the Southeastern USA have been noted but they are still fairly unusual. However, it’s speculated that they may become more frequent winter visitors because of environmental changes associated with human activity.

At the Malinski’s home, the calliope is keeping company with another winter migrant, a female rufous hummingbird (below, Selasphorus rufus). Mrs. Malinski has seen the rufous chasing the calliope away from the feeders, living up to that species’ reputation for being feisty. However, the calliope hummers are brave, too, even chasing red-tailed hawks (Buteo jamaicensis) away from their territories during breeding season!

Rufous hummingbird IMG_2657© Maria de Bruyn       Rufous hummingbird IMG_2669© Maria de Bruyn

Calliope hummingbird I77A6756© Maria de BruynJoseph is currently molting and can be identified for the time being with a little topknot atop his head. Susan Campbell, North Carolina’s well-known hummingbird bander, gave him his bracelet at the Malinski home, which should make it possible to identify him if he returns next year.

Calliope banding Campbell IMG_0646

 

In this photo kindly provided by Susan, you can clearly see that he is developing the bright purple feathers that will grace his throat and give him a beautiful appearance in full maturity. They are just a little visible when he zips in to land at the feeder.

 

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Both Joseph and the female rufous enjoy the nectar provided by the Malinski’s. These birds will also eat insects and calliopes are known to drink from yellow-bellied sapsucker (Sphyrapicus varius) sapwells like those shown here.

 

 

Many people have traveled to the couple’s home to observe Joseph. During my two visits, I encountered 10 other birders and I know of more who paid a visit. The Malinski’s are most gracious, allowing us to stay in their front yard for hours.

Calliope hummingbird I77A6566© Maria de Bruyn       Calliope hummingbird I77A7075© Maria de Bruyn

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After I left them with Joseph buzzing back and forth between the front and back yards, I stopped at a rural road known as a spot for white-crowned sparrows. I didn’t see them but did get to see a loggerhead shrike (Lanius ludovicianus).

 

loggerhead shrike I77A7301© Maria de Bruyn            loggerhead shrike I77A7280© Maria de Bruyn

The Northern mockingbirds (Mimus polyglottos) were courting and chasing each other, making a fair bit of noise and flashing their lovely feathers.

Northern mockingbird I77A7172© Maria de Bruyn    Northern mockingbird I77A7425© Maria de Bruyn

Northern mockingbird I77A7118© Maria de Bruyn res

Even though mockingbirds live around my yard, I always enjoy seeing them again. I likely never will become a birder who goes off to exotic lands just to chase down one species I haven’t seen before. But I certainly am paying even more attention to the birds around me wherever I am and making some shorter forays as time permits (just yesterday, I joined friends Beth, Carol and Nan to go see a Wilson’s snipe (Gallinago delicata) at a farm in the next county – another lifer!). But it’s not only birds that will get me to travel – bears are on my list of animals that I am still hoping to see and photograph in the wild. When I get to that point, you’ll read about them here, too!