Elizabeth
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Viewing 5 posts - 1 through 5 (of 5 total)
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Interesting experiment and results! I wonder if part of the reason the suburban crows had higher calcium rates than the crows in the managed area is due to what's available. We as humans eat quite a bit of meat (even in Ithaca where there is probably a larger percentage of vegetarians ;) )... maybe the suburban crows have more access to animal bones, etc. in what they forage.
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In the Northwest corner of NJ... 1. The family of crows in my yard do not have the foot disease. One of the family members has a missing tail feather or two. I have no idea what happened or when, but I don't remember that last year and I believe it's the same family. 2. I have not noticed any specific aggression outside the normal play and vying for bits of food.
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My mother lives in Middletown, NY. They had a huge roost situation every night (not sure what time of year it was). All the noise and mess you describe was all over the town and there were a lot of complaints. Then, all of a sudden, it stopped. I am not sure if the town did something drastic or if it was just a time of year they don't typically roost. I'm hoping for the latter.
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I live in the Northwest of NJ in a rural area surrounded by farms. I have a family of crows that live somewhere around my house (I think there are 7 currently and for the last two years), but see flocks foraging in the nearby farm fields. They are usually more noticeable in large numbers in the fall and winter. These flocks can be anywhere from 30 - 100+. Interestingly there are never any large flocks in the corn field that backs up to my house... I guess, from what I'm learning here, that's because 'my' family of crows is territorial and keeps them away...?
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3. I live in the northwest of NJ. When we moved into our house, there was actually a pair of ravens that lived in our area. They have moved on... not sure where to. We could tell they were ravens by their size... if I look at one and think 'that's a BIG crow' I'll give it a second look and their calls. They were deep guttural sounds vs. the higher pitched 'caw'. There is now a family of crows here, so I'm guessing that they don't 'co-habitate' well. I haven't seen the ravens in our yard since the crows 'moved in'. I do still see ravens in and around the area, but not often. They are harder to spot. I'm kind of disappointed not to see the ravens anymore. We did name our house 'Raven's Roost'! It would be difficult to give up watching the antics of the crows though. 4. The other animals in the country-area I live in have definitely benefited. I feed the crows every day - just a little supplement, nothing major... so the other birds (including sparrows, blue jays, and even sometimes red-tailed hawks) and other animals (squirrels, chipmunks, and rabbits) get some left-overs. I only feed them in the morning so I know the food will be gone WELL before dark when we see raccoons, coyote, and bear... which I would prefer NOT get used to my feeding them. As much as I love them, I do have to take the dogs out in the dark so don't want these guys hanging out close to the house as much.
Viewing 5 posts - 1 through 5 (of 5 total)