Snakes have three chambers in their hearts. Birds have four chambers in their hearts. Birds have hollow bones. Snakes have solid bones. No bird gives live birth. Some snakes give live birth. About 15 percent of snakes are venomous; whereas no bird is venomous. I tried not to make my answers too obvious :P
snakes, birds, lizards snakes, birds, lizards snakes, birds, lizards
Birds of Prey, other snakes.
cats, snakes, and birds of prey
Sometimes. Some birds are prey to snakes, however many eagles, hawks and falcons actually eat snakes.
The French
desert snakes eat birds
snakes
Snakes and birds of prey
Snakes don't have legs whilst lizards do.
Mammals differ from birds as birds lay eggs, and mammals give live birth.
Yes, there have been documented cases of snakes, particularly larger ones such as pythons, consuming birds like starlings. Snakes are opportunistic feeders and will consume birds if the opportunity arises.
Yes, some snakes are known to eat birds. Snakes are opportunistic predators and will hunt small birds if given the opportunity.