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.

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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.

 

Flying rays of sunshine, spirits on the wing – part 1

Fiery and dun skippers IMG_7262© Maria de Bruyn resIt is now early December and late autumn in the Northern hemisphere, so why a blog about butterflies? When I was writing this on the last day of November, I had still seen a few of these beauties a couple days previously, and in the Southern hemisphere it is late spring, so it seems fine as a topic for a nature blog. Also, three weeks ago, my mother passed away, while in two weeks the anniversary of my father’s death comes again — I like to think of butterflies as nature’s emissaries for spirits on the wing. They allow me to think of my parents in somewhat lighter terms than the sadness that predominated during their dying processes. Because there are so many butterflies to highlight, this will be a two-part blog.

This past spring, summer and fall gifted me with a large variety of butterflies – a boon compared to last year when there seemed to be a dearth of them. I had some new butterflies to my garden, like the tawny emperor (Asterocampa clyton clyton), which I also saw at the Mason Farm Biological Reserve when one landed on my arm.

Tawny emperor DK7A2536© Maria de Bruyn resTawny emperor IMG_4926© Maria de Bruyn (2)

juniper hairstreak DK7A1677© Maria de BruynThe juniper hairstreak (Callophrys gryneus) was another new visitor that at first made me think it was covered in pollen.

A second-time visitor to my yard was the American snout (Libytheana carinenta), which looks quite distinctive with the long protrusion from its face.

American snout butterfly IMG_0257© Maria de Bruyn res

It was a good year for the little skipper butterflies, of which there are many. Quite a few look similar to one another and pose difficulties in identification; fortunately, BugGuide helps me figure out which ones I have been seeing.

 

Common checkered skipper DK7A8473©Maria de BruynCommon checkered skipper DK7A8483©Maria de Bruyn

Common checkered skipper (Pyrgus communis)

silver-spotted skipper IMG_0885© Maria de Bruyn Fiery skipper DK7A3463© Maria de Bruyn

Silver-spotted skipper (Epargyreus clarus) & Fiery skipper (Hylephila phyleus)

Zabulon skipper female DK7A8091© Maria de Bruyn Zabulon skipper DK7A2945© Maria de Bruyn res

Zabulon skipper (Poanes zabulon), female on the left and male on the right

sachem skipper DK7A6355© Maria de BruynSachem skipper male DK7A7657©Maria de Bruyn res Sachem skipper DK7A1271© Maria de Bruyn bg

The Sachem skipper (Atalopedes campestris) also illustrates how males (top) and females can differ.

A few skippers were new for me this year, like the little glassywing skipper (Pompeius verna) and the somewhat drabber dun skipper (Euphyes vestris) and Ocola skipper (Panoquina ocola).

Little glassywing skipper DK7A2843© Maria de Bruyn  Dun skipper DK7A3364© Maria de BruynOcola skipper IMG_4247©Maria de Bruyn

Even though dark in color, the Horace’s duskywing (Erynnis horatius) and the Juvenal’s duskywing (Erynnis juvenalis) have beautiful dorsal patterns.

Horace's duskywing DK7A3695© Maria de Bruyn

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It’s always fascinating to see how different the butterflies’ color patterns can be on the upper and undersides of their wings, as shown here by the American lady (Vanessa virginiensis).

American Lady DK7A2242© Maria de Bruyn res American Lady DK7A2292© Maria de Bruyn res

The red admiral (Vanessa atalanta) is a gorgeous butterfly; a somewhat tattered individual rode along on me and my camera for a while at Mason Farm.

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A group that can sometimes be challenging to identify are the sulphurs. Distinguishing the sleepy orange (Abaeis nicippe, top) and the orange sulphur (Colias eurytheme) is no easy task. Both are quite lovely and a delight in flight when they reveal their brightly colored dorsal pattern.

Sleepy orange DK7A8367© Maria de Bruyn Sleepy orange DK7A8263© Maria de Bruyn

Orange sulphur DK7A0410© Maria de Bruyn resOrange sulphur DK7A0476© Maria de Bruyn res

Cloudless sulphur DK7A2774© Maria de Bruyn res

The larger yellow butterflies like the cloudless sulphur (Phoebis sennae) are great to see, especially when they frequent the brightly colored blooms such as the red cardinal flower (Lobelia cardinalis).

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Clouded sulphur DK7A0269© Maria de Bruyn

The clouded sulphur (Colias philodice) may be a bit harder to see when it feeds on clover in the grass.

Stay tuned for more butterflies to admire in part 2 of this blog!

 

A varied palate – hummingbirds’ choice of foods

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As promised, one more blog on hummingbirds before I move to another topic; their presence always brings me enjoyment and I know other people who are enamored with these tiny birds, too. Also, although autumn has come, I still have a couple ruby-throated hummingbirds (Archilochus colubris) at my feeders. And a couple days ago I had the privilege of seeing a species new to me, the buff-bellied hummingbird (Amazilia yucatanensis), which has only visited the state of North Carolina once before (at least as far as human witnesses are concerned)!

DK7A2528© Maria de Bruyn resThe hummers have a varied diet, including mainly insects (mosquitoes, gnats, fruit flies, small bees), spiders, tree sap and sweet nectar (or sugar water). They tend to feed about 5-10 times per hour during the day and need about 10 calories of nutrition each day.

 

It is a lot easier to catch them drinking nectar than catching insects (apologies for the blurred photos)!

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Hummingbirds use their long tubular tongues as elastic micro-pumps to obtain nectar. This enables them to lick a flower up to 20 times per second as they gather food. And although we can’t see it when just looking at them, they have forked tongues (like snakes)!

 

 

DK7A0391© Maria de Bruyn res ruby-throated hummingbird DK7A1076© Maria de Bruyn res

DK7A4497© Maria de Bruyn2The hummers visit a variety of flowers to drink their sweet nectar, often preferring orange or red flowers but certainly not avoiding others.In my garden, this includes cardinal flowers (Lobelia cardinalis), hollyhocks (Alcea), yellow passionflower (Passiflora lutea) and lantana (Lantana).

ruby-throated hummingbird DK7A0820© Maria de BruynDK7A0555© Maria de Bruyn res

In nature reserves, I’ve seen them visiting morning glories (Ipomoea), ironweed (Vernonia) and trumpet vines (Campsis radicans).

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Their long bills, tubular tongues and slim bodies make it easy for them to drink from long flowers, but sometimes they will simply pierce the base of a flower to obtain nectar, or use a hole already made there by an insect.

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Light-colored flowers are not shunned as food sources, however!

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Bean plants and gerbera daisies (Gerbera)  were on the menu at the Translating Traditions farm.

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At my house, the hummers visit the nectar feeders with great regularity, presumably because the food is very easily available there. A little known fact about the hummingbirds is that, compared to all other birds, their brains are the largest in comparison to body size. They remember where feeders are from year to year and also can recognize the people who fill the feeders. When the nectar is low and I appear, a hummer will sometimes hover and chitter in my direction at length; I really do think it is warning me that it’s time to prepare another serving.

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The buff-bellied hummingbird breeds in Mexico and south Texas. When they migrate, it is in a north-eastern direction, but the only previous recorded visit of one to North Carolina was in 2007. Now there is one hanging out at a couple’s home in the town of Winston-Salem, so I accompanied three fellow birders to go see it. Our 90-minute drive there was rewarded by a view of the bird within about 15 minutes and we stayed for almost two hours watching it come and go along with some ruby-throated hummingbirds.

buff-bellied hummingbird DK7A1131© Maria de Bruynbuff-bellied hummingbird DK7A1171© Maria de Bruyn

These hummingbirds have bellies with a light orange-yellow hue, brighter orange tail feathers and a bright green back and head. In contrast to the ruby-throated hummingbird’s straight dark bill, they have a reddish, curved bill. These lovely little birds appear to be the least studied species among the hummingbirds in the USA.

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Two years ago, I had a rufous hummingbird (Selasphorus rufus) visit my nectar feeder after he had migrated here in winter from the far North. This year, I’ll leave at least one feeder up again after the ruby-throats take off for warmer climes in case some wintering hummers need food. And I’ll look forward to seeing my regular residents again next summer!

 

 

More information:

http://www.livescience.com/51904-hummingbird-tongue-pump.html

http://www.nytimes.com/2015/09/08/science/the-hummingbirds-tongue-how-it-works.html?_r=0