A coyote, Canis latrans, takes on a weary stance.
Photograph by Robbie George, National Geographic Creative
Aggressive western bluebirds are good at seizing territory but timid ones reproduce more.
Photograph by Vickie J Anderson, National Geographic Creative
Dolphins live in pods of up to 200 individuals and have close relationships.
Photograph by of NOAA
Alisa, a Russian fox, lives as a pet near St. Petersburg, Russia.
Photograph by Vincent J Musi, National Geographic Creative