Whether it is a group of mammals, birds or even insects, there is a unique collective noun to identify the specific group, although some of these names are rarely used. Most people are likely to use the general term flock for a group of eagles, rather than the proper term convocation. Still, it's good to know the correct collective noun, even if it's just to wow your friends. This is a animal book which is: Fun for fans of animals. Bright, colorful illustrations with cute animals. Super silly but also educational.