The mating rituals of many bird species involve elaborate dances and displays by the males. The evolutionary reasons for the ...

Answer: Birds do not have the sex organs common to mammals. Instead, both male and female birds have what's known as a cloaca ...

The Wright Brothers studied bird flight before they designed the first airplane. Now modern aircraft fly higher and faster ...

In fact, social monogamy is extremely common in birds and somewhat common in mammals, while sexual monogamy is vanishingly ...