Unlike sea otters, river otters burrow into hillsides near the water to make cozy dens where they sleep and where females have their litters of pups. Females give birth to 1-4 pups after 63 days of embryo development. But that could be more than a year after mating! Otters have the unusual ability to delay embryo implantation in the womb for 8-10 months, perhaps to wait for the easiest pup-rearing conditions.Read More
Did you know that not all killer whales are the same? They might look similar, but some eat marine mammals, others eat sharks, and others eat salmon!
The salmon-eaters are called Southern Resident Killer Whales and only about 70 of them are left in the world! They could go extinct if we don’t help keep their waters clean and quiet.Read More