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….

Leaping into the wide – and sometimes wet – world!

Eastern bluebird IMG_2991© Maria de Bruyn resEarlier this past week, I calculated that the Eastern bluebird (Sialia sialis) babies in my front-yard nest box were close to fledging. I knew approximately when mom had finished laying her eggs (four in total), so that I could guess when they reached normal fledging age (16-18 days after hatching). When I looked at the nest on 10 June, I saw that there were only three babies; I have no clue what happened to egg No. 4.  But the three survivors were progressing well as mom and dad made frequent forays to gather caterpillars and insects for them.

Eastern bluebird IMG_2819© Maria de Bruyn res Eastern bluebird I77A5733© Maria de Bruyn res

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Occasionally, the male and also the female bluebird, identifiable by her subtler coloring and her brood patch, would visit the suet and meal worm feeders for a fast food repast for themselves. It was hard work keeping their growing offspring fed!

Eastern bluebird I77A6411 © Maria de Bruyn         Eastern bluebird I77A5769© Maria de Bruyn

They also had to let one of their older offspring from a previous brood know that they were no longer going to feed him, even when he begged.

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As fledging time neared, mom and dad had to contend with other birds coming near the box. Dad was especially angry with a young starling (Sturnus vulgaris) who wanted to settle on top of the box. Starlings have been known to eat young birds and papa bluebird was obviously taking no chances! (I just caught the action out of the corner of my eye so the photos aren’t great but do give an idea of the argument!). The parents also chased away squirrels from the tree in front of the box, which alerted me to the fact that fledging was probably imminent since the parents become especially protective at this time. I started using a smaller camera with a very long zoom (but somewhat lesser photo quality) as they weren’t excited by me being too close either.

Eastern bluebird IMG_3841© Maria de Bruyn res     Eastern bluebird IMG_3840© Maria de Bruyn res

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On Wednesday, I checked the box before going out for the morning and there were still three babies there. When I came home a few hours later, mama and papa were sitting on branches, with or without food, calling to their little ones to come on out. They would also fly to the box for a quick look inside.

Eastern bluebird I77A7702© Maria de Bruyn res           Eastern bluebird I77A7729 © Maria de Bruyn res

Mama also repeated behavior I had seen last year – flying to the box, standing on top and then hovering in front of the hole as a form of encouragement.  When she and dad left, I approached to take a look and discovered bluebird baby No. 1 had already flown away. This meant that the parents had to watch the first baby out in the trees somewhere, as well as their two lagging offspring in the box.

Eastern bluebird I77A8584© Maria de Bruyn res        Eastern bluebird I77A8791© Maria de Bruyn res

Eastern bluebird I77A8592© Maria de BruynAt one point, mother bluebird seemed a bit fed up – she flew over to the box (without food) and finally entered, staying inside for a good 60-90 seconds at least. I imagined her giving the babies a lecture about how they had to be courageous and willing to jump.

Her admonishments seemed to have had an effect; the babies began calling loudly from inside their birth home. Finally, after about 30 minutes, one poked its head out to take a look at the big wide world. Mom and dad seemed glad, waiting together in the tree to see how long it would take baby No. 2 to join them.

Eastern bluebird I77A8685© Maria de Bruyn    Eastern bluebird I77A8648© Maria de Bruyn

The baby looked around a lot, also staring at me; s/he went back inside and then looked out a few more times, finally taking the great leap into the outside world. Baby 2 was a very strong flier – not even alighting in the tree in front of the box but circling around to land high in a juniper and then in a tall oak tree behind the box.

Eastern bluebird I77A8746© Maria de Bruyn res

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Sibling No. 3 took a little while longer and mama bluebird again went to the box to give encouragement. The baby then spent a little more time observing the new environment and also made a strong flight out.

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It rained that night and I hoped that the bluebird babies were ok; between the thunderstorms and a neighbor’s cat who comes to hunt birds in my yard, their environment seemed precarious for their first days of life. In the afternoon, I was happy to see papa bluebird feeding one of the three babies at the top of an oak tree. Mama was also flying around up there, so I assumed they were all hanging out in the high branches.

Eastern bluebird IMG_4723© Maria de Bruyn        Eastern bluebird IMG_4777© Maria de Bruyn res

Thursday night, it rained heavily again for many hours; Friday was an easier day and night. I haven’t seen the fledglings again yet but have seen their parents coming for suet and meal worms and flying up to the oak tree, so I assume at least a couple are there. I look forward to seeing their speckled selves at the feeders along with their parents – and will be curious to see if their parents go for a third brood this year.

Eastern bluebird IMG_4779© Maria de Bruyn res