Questions tagged [bird-behaviour]

Questions relating to specific or unusual behaviour shown in birds.

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10
votes
3answers
506 views

Possible snowy owl seen in the trees

I was out hunting last weekend (end of October) near Yellow Pine, Idaho. While walking up a hill during the late morning with moderate timber coverage (thin enough to ski comfortably but thick enough ...
21
votes
1answer
2k views

Do bees at the hummingbird feeders keep the birds away?

Although not greater in number, our hummingbirds this summer seem to be larger than in the past. I think it may be because my husband started making our own nectar, so it's fresher, and might taste ...
10
votes
1answer
284 views

What's the ecological impact of bird-baths?

When reading this question (What is the ecological justification (if any) for bird feeders?) on bird feeders I wondered if there would be an ecological impact on having a bird bath. Especially in ...
9
votes
4answers
9k views

Why would a Canada Goose sleep on a frozen pond?

I just passed one of the town parks, and there was a flock of Canada geese sleeping on the frozen lake. It seemed like that would be a rather cold place to sleep, is there a reason beyond the ...
6
votes
1answer
152 views

Why might a larger peregrine falcon chick take longer to molt than smaller siblings?

It has become a bit of a fad in the last few days at my current workplace to open a browser tab to either http://www.lbwl.com/falcon.htm or http://www.lbwl.com/falcon2.htm , take a quick look now and ...
19
votes
4answers
940 views

What is the ecological justification (if any) for bird feeders?

Like many people, we have bird feeders, and a bird-bath. We also have a feeding station (replenished in the mornings only) that attracts squirrels and chipmunks and some of the larger birds. During ...
13
votes
1answer
2k views

What should I do if I disturb a bird of prey with a kill?

A friend of mine disturbed a bird of prey (I think it was a kestrel or sparrow hawk) that had just killed a pigeon in her back garden. The pigeon was still alive when she found it but died soon after. ...
11
votes
1answer
2k views

Is a sentinel (guard) Canada Goose always a male, or a female, or does it vary?

While there are a number of recognized sub-species of Canada geese, this question pertains to the main species, Branta canadensis. This answer to a question asking how many hours a day Canada Geese ...
5
votes
1answer
2k views

Do American mourning doves only make their plaintive cooing sound where people can't see them?

We have American mourning doves in abundance in Massachusetts. They spend months in our yard, eating seeds both on the ground and in the feeders. They also peck around in my flower garden, so I think ...
4
votes
1answer
621 views

When and why were House Sparrows originally brought to the United States?

The common House Sparrow, Passer domesticus, is one of the few birds not protected under federal law in North America, because it's considered a non-native species. However, it currently lives in ...
3
votes
1answer
303 views

How do mallard mother ducks tell their ducklings from others?

Right now the irrigation ditches and ponds have lots and lots of mallard ducklings, sometimes multiple families to a single pond. The way to tell is that there will be too many ducklings for one ...
3
votes
2answers
351 views

How do they tell the sex of Peregrine Falcon chicks?

Related to this question where the difference in size might possibly be due to one of the 3 peregrine falcon chicks being male, how do they tell whether a peregrine chick is male or female? ...