Extras
The Bear River was once a lush area with wetlands, hot springs, and abundant wildlife.
Terry Masear helps rescue baby hummingbird twins whose mother died.
Meet the world鈥檚 first sloth detective dog, Keysha.
Climb into the jungle canopy with Tamara 脕vila Atagua as she builds life-saving bridges for sloths.
Brand new to science: a sloth drinking water鈥攃aptured cinematically for the first time.
A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica鈥檚 sloth populations.
Extreme drought drives animals to behave abnormally, as crocodiles and hippos crowd a waterhole.
Wildlife filmmaker Owen Pr眉mm ventures into Katavi, a remote region in southwestern Tanzania.