US Department of the Interior @Interior
Just a mom and her pup! ❤️ A sea otter pup’s fur is so dense that it can’t dive underwater until it gets its adult fur. This comes in handy when mothers leave their pups safely floating on the water’s surface while they forage for food. Photo by S. Scaller / @GlacierBayNPS https://t.co/65mwFtvPuA — PolitiTweet.org