no,thier nostrils are hard like a hoof,toe or finger nail
Birds. there are 500 species of them there.
no it is not The nose is mostly cartilage. However,there are muscles that are within the nose that allow some movement, such as the procerus, nasalis, dilatator naris anterior, depressor septi, and dilatator naris posterior.
Nope. Some varieties of Bat do this but they are mammals, not birds.
No, not the whole species but some types.
Turtles, crocodiles, and some species of birds
Some birds do eat their own feces for a second round of digestion, but this is only in a certain minority of birds (such as some owl species).
Waterfowl, Birds of Prey, Perching, and Flightless Birds
No birds had true teeth, but there are some species that had serrated bills that worked as teeth.
Beluga wales, bats, dolphins, and some species of birds.
Some different species of birds
No. Despite sharing some characteristics mammals and birds are not closely related.
When we laugh, our facial muscles engage and our breathing patterns change, which can cause our nostrils to flare. This is a natural response to increased airflow and muscle activity in the face. It varies from person to person and can be influenced by their individual physiological and emotional reactions to laughter.