Macaws typically mate for life. They not only breed with, but also share food with their mates and enjoy mutual grooming.
A couple of brown bears nuzzle on a shore. Bears are playful and curious.

The male, or drake (left), is the more distinctively colored of the mallards. Its iconic green head sits atop a white neckband that sets off a chestnut-colored chest and gray body. Females (right) are brown in color, but sport iridescent purple-blue wing feathers that are visible as a patch on their sides. The ducks sit face-to-face, which is common during the mallard mating process.