The total number of individuals of a single species inhabiting a given area. A special physical or behavioral ability that has allowed a species adjust to a particular way of life. The feathers that cover a bird's body. A tuft of feathers on the top of a bird's head. The process by which a bird renews part or all of its plumage by shedding old, worn feathers and growing new ones.
Most birds are diurnal.
Most owls are nocturnal. The ability of one bird to control the actions of another. A group of birds made up of either the same or different species. A place where a bird sleeps, sometimes in groups. The environment where a particular species of bird lives.