Diana
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Viewing 6 posts - 1 through 6 (of 6 total)
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I’ve seen crows picking through garbage in the city. But I also see them eating road kill. I’m not sure about their water sources. I’m guessing they drink rain water puddles? Unfortunately, most people in the city seem to view crows as noisy pests, if they think about them at all.
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That was really interesting. Years ago, a crow would visit me regularly , for peanuts and peanut butter. He had one foot. I always thought that he might have been attacked by a predator, or had some genetic deformity. Now, I’m pretty sure that disease was the reason that he lost his foot! He continued to visit me for a couple of years. Then, one day he was gone. I never saw him again. I’ve never seen aggression as it was described, but that “un-banded female” was pretty wild!
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The first thing that comes to mind, as a threat is inherited weakness or illness. Extra pair fertilization probably increases the survival of the family and the entire group.
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It seems that since they have more choices than other birds, they would have an easier time. But, with the competition, and disproportionate mortality of males and females, maybe it’s not so easy.
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The methods to track these birds are amazing. I’m also surprised about where they make their nests, and their longevity, and their white feathers, as they age. It’s really interesting that they have such different personalities. The pictures really help in identification. I’m in Western NY. I would love to spot one of those tagged crows in my field!
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I was surprised to learn that chipmunks and squirrels were the main predators of baby birds. I would point that out to anyone that says crows are the culprits. I think I have seen both ravens and crows in NYS. Mostly, it’s crows. I do hear them warn the animals whenever someone is in the area. I think I can identify them better now.
Viewing 6 posts - 1 through 6 (of 6 total)