ocr: BIRDS IRDS are the only animals and they all lay eggs. Some birds, such - with leathers. Most birds are as penguns, cannot fly, but they are highly adapted for flight by having a superb Swilers. Dillerent birds are streamlined body and strong chest adapted to their different habitats and muscles that support two wings. To lifestyles. A duck, for example, has. a reduce their weight, birds have flat bill for sieving food From water, hollow bones. Birds are waterprool leathers, and webbed endothermic vertebcates, feet for swimming Parrot Itss strong, sharp bill Bill helps the parrot Cat seeds. St ...
