802.359.5000 | WILD BIRD REHAB: x510
A young visitor noticed me sticking a long, bent pole up into the rafters of the Nature Nook last month. “What are you doing? What’s up there?”
This one belonged to an Eastern Phoebe, and I’d seen the adult several times returning to this spot with tiny caterpillars in its beak, which must have been breakfast for the growing young. The eggs had already hatched, and the fuzzy gray nestlings contained inside were packed closely together in a heap, and difficult to distinguish from one another.
Through the citizen science project NestWatch, run by the Cornell Lab of Ornithology, VINS has been monitoring its local nesting birds since 2013, in order to help scientists better understand breeding biology. Our staff and lucky visitors gather valuable data on the timing of laying and hatching, the number of eggs laid, and the behavior of the adult birds, among other things. The information is uploaded online, and though it is completely free for the scientists and participants, NestWatch has generated mountains of data and aided the publication of dozens of scientific papers. There is also a photo contest for participants every year, and who can resist browsing through photos of cute baby birds?
That phoebe nest was one of 2 at VINS this summer. In fact, 2017 was quite busy, the campus hosted 2 House Wren nests, 1 Red-eyed Vireo nest, 1 Black-capped Chickadee nest, 11 American Robin nests, and 5 Tree Swallow nests. Here is a bit of our data:
Two of our American Robin pairs double-clutched, or raised two complete sets of young sequentially in the same nest. If food is available early enough in the spring, and consistently available through the summer, many birds try to squeeze in an extra breeding attempt. We even had one robin triple-clutch, but for a different reason than abundant food. This bird decided one of the lights by the Administration building would be a great place to nest, and as visitors moved past every day, just inches away, the robin kept abandoning her nest, and knocked her first two eggs onto the ground. This was followed by a second and third attempt before she decided to find a more suitable location.
VINS is Vermont’s only NestWatch chapter, and we encourage our visitors and members to participate in nest monitoring on their own. Would you like to get involved with citizen science projects at VINS or at home? Contact email@example.com for more information!
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