Otter may copulate with baby seals if he can't find a mate. It has been seen to carry on for up to 7 days even after the death of the baby seal. :
Family Structures of Sea Otters - BioExpedition
Sea Otters Demonstrate that There Is More to Muscle than Just Movement--It Can Also Bring the Heat | The Scientist Magazine®
Two Lonely Otters Introduced at a Sanctuary Are Now Living 'Happily Otter After'
Sea otter - Wikipedia
Do Otters Mate for Life? 10 Common Habits for These Lovable Animals - A-Z Animals
![Otter Mating [Otter life Day 718] - YouTube](https://i.ytimg.com/vi/JBnfZ2g6V2E/maxresdefault.jpg "Otter Mating [Otter life Day 718] - YouTube")
Otter Mating [Otter life Day 718] - YouTube
Otter guide: where do they live, what do they eat, and how to identify them - Discover Wildlife
Sea otters: nine things that may surprise you! - Eagle Wing Tours
Otter Facts - Animal Facts Encyclopedia
Rough Sex Redux – Natural History Photography Blog
Most river otter species are monogamous and mate for life. So those cute pictures of otter couples you see, they may just be together forever. : r/Awwducational
Sea Otters | The Marine Mammal Center
Sea of Love: Animal Monogamy in the Ocean
Celebrate World Otter Day with these 'otterly' awesome otter facts
Environmental Defense Fund - The charmingly mellow sea otter spends much of its life in water. It's where they eat, sleep, hunt, mate, and even give birth. But a changing climate is
Amazon.com: Mates for Life: Devoted Couples from the Animal Kingdom: 9781907708022: Ammonite Press: Books
Asian small-clawed otters mate for life! : r/Awwducational
Sea Otter Society: The Single Moms' Club
Sea Otters Play and Grow at Georgia Aquarium | Nature and Wildlife | Discovery
Reproduction
/cdn.vox-cdn.com/uploads/chorus_image/image/65948125/85081001.0.1548780589.0.jpg "Otters: the violent, necrophiliac, serial-killing fur monsters of the sea - Vox")
Otters: the violent, necrophiliac, serial-killing fur monsters of the sea - Vox
Reproduction
Sea Otter Natural History
