CROWS Flashcards
Ravens habitat and eating habits
Wild land, eats carrion
Crows eating habits and habitat
More urban eats more garbage
Crows live for
14-17 years and 30 years in captivity
Crows reach sexual maturity
2-4 years old
Crows mating partners are
They are socially monogamous but they sleep around
How much percent of the clutch is sited by the social mate
80%
American crows engage in what type of breeding
Cooperative breeding
Which sex of crows cheat and how
Female crows sneak out at dawn to reproduce with males that are not their mates
Why do females cheat?
It isn’t a conscious choice but they do so for genetic diversity of their offspring and they do so for resources
Why is there incentive for the cheating male party to let the cheating happen
Because the males have an unlimited amount of eggs so they can afford to, and they want the most offspring they can get
Red winged blackbird females do what to other females
Chase them out of their territories
If you get attacked by a crow why is it that this happened ?
Because you might have gotten too close to a baby crow
Baby birds have what to make their parents have an easier time feeding them?
Yellow pink at the bottom of beak
Why do crows engage in communal roosting
Anti predator (safety in numbers), warmth possibly information sharing (following birds that seem like they have something)
What is communal roosting in winter for crows
They communally roost in winter and that just means that they travel together in flocks of several dozen or hundreds of thousands of birds
