The eggs of amphibians are gelatinous and have no shell. Amphibians usually go to water or very moist places to breed and lay their eggs. Amphibians are not reptiles. A few mammals lay eggs and most have claws. Mammals are not reptiles.
Birds have scales, claws, and they lay eggs.
Bird feathers are modified scales. Bird legs are covered with scales, and their toes have claws. Birds lay shelled eggs, and they are descendants of small, meat-eating dinosaurs.