These days, mostly chickens, ducks, geese and turkeys. Pigeons are kosher, as are many Songbirds. Birds of Prey and scavengers are explicitly forbidden, as are Flightless Birds.
Most of today's Rabbinic authorities include the turkey among the kosher birds.
Jews who eat kosher will not eat snails since snails are not kosher. However, not all Jews eat according to the laws of kashrut, so some Jews do eat snails.
birds that eat penguins
what does snow birds eat
Observant Jews do not eat crayfish.
Yes, birds do in fact eat eat sedges.
walrus don't eat birds
There are certain birds that eat reptiles.
Yes, they do eat birds like ducks and wading birds.
Some birds, like falcons, eat smaller birds, but large birds who aren't birds of prey don't
Muslims and Jews don't eat pork. Muslims eat shellfish, but Jews don't.
Orthodox Jews are only allowed to eat kosher foods.