Male warblers grow colorful feathers during the spring mating season.
Male moose compete for a female by head-butting each other with their
antlers. Female ospreys are fed and protected by their mates while they
hatch their eggs. Whether it's to attract, fight for or protect a mate,
animals interact in some remarkable ways. Using concise language and
realistic illustrations, this title in the Animal Behavior series takes
a resourceful approach to exploring animal life.