A man tosses a bottle to the ground, only to have the broken bottle pursue him to do the right thing.

Located in the mountainous rainforest of The Dominican Republic, Reserva Zorzal turned to organic and sustainable cacao production to fund a protected area designed to help preserve the wintering habitat of one of North America's rarest birds - the Bicknell's thrush.

Scientists who study honeybees, chickens, and wolves offer insights into the minds of other animals and grapple with the profound implications for animal welfare.