A few years ago, around this time of year, I watched a crow pick through a parking lot tree. He or she tested small branches to add to a nest. It took the bird a minute to find one it liked. I can’t say how, precisely, the crow judged these materials, but I suspect he or she was looking for a branch that it could loosen without too much work.
The trouble was that the chosen branch, once pruned, became hooked on some spring-loaded new growth. And so the crow’s effort went — a protracted struggle against a tree with too much give to give. Video below.
Featured image by flickr user Artotem, used under a Creative Commons license. Some rights reserved.
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