A bird's digestion is immediate: Shabbat 155b
The Mating Season: Rosh HaShanah 11a
Were birds created from the heavens or from the earth: Eruvin 28a
How far a fledgling bird will fly: Beitzah 11a
Will a fledgling bird travel beyond its ability to see the home nest: Beitzah 11a
Eggs
Egg Sizes: Yuma 80a
After 3 days of bring sat upon, an egg has so altered that if one removes the sitter then the egg will be un-usable: Pesachim 55b
Whether an egg found inside a slaughtered mother will be able to produce live young: Beitzah 6b
Miscellaneous Birds
A Wild Bird, "Tzippor Dror," which is harder to trap than others: Shabbat 106b
Whether the birds of Bavel were fatter than those of Israel, or not: Shabbat 145b
Chickens and Roosters
Chickens have a lower-eyelid which extends over the upper-lid, to prevent smoke from entering: Shabbat 77b
De Facto castration of a rooster can be achieved by removing its comb: Shabbat 110b
Chickens will not walk if led by their wings: Shabbat 128b
A Rooster's "Comprehension": Rosh HaShanah 26a
It's unusual to slaughter a chicken and find a whole egg inside it: Beitzah 2b
Whether it is unusual for a chicken to partially lay an egg, then have the egg return inside for a significant period of time: Beitzah 7a-b
Mating time-of-day and egg-laying times of chickens: Beitzah 7a-b
Will a chicken produce an unfertilized egg if a rooster is nearby: Beitzah 7a-b
The way in which roosters approach chickens for sexual relations: Eruvin 100b
