A New York Zoo offered a sneak preview of some of the artwork that will be available at its upcoming gala auction: creations by animals including penguins, giraffes, sloths, capybaras and others.

A colony of Humboldt penguins, a rare okapi calf and a critically-endangered, cotton-top tamarin baby are among the new arrivals totted up in the annual stocktake at a Hampshire zoo. Marwell Zoo, near ...