Question

comb,crest,bill, plumage.in these four Answer forr this question feathers covering a bird's body
​

Answer 1

Answer:

Encyclopædia Britannica, Inc. Unlike the hair of most mammals, feathers do not cover the entire skin surface of birds but are arranged in symmetrical tracts (pterylae) with areas of bare skin (apteria) between. The latter may contain the small soft feathers called down

Explanation:

☝️☝️☝️☝️☝️