Extras
On Costa Rica’s Pacific coast, turtles and jaguars collide in unexpected ways.
Meet Alonzo, Amanda, and Jorge: three big cats whose lives intertwine in unexpected ways.
On Costa Rica’s coast, jaguars are doing more than hunting. They’re helping sea turtles survive.
Uncover the secret world of New York and London’s resilient pigeon flocks.
Who rules the streets -- and skies -- of the city?
Discover how pigeons find a mate for life.
Times Square never shuts down, and neither do its pigeons.
Follow a female mountain lion in the Montana mountains over the course of a decade.
A mother mountain lion risks her life to feed her six kittens.
Mountain lions risk everything to hunt elk, prey more than twice their size.