Male seahorses carry and give birth to young ones. Female seahorses deposit their eggs into a pouch on the male's abdomen, where they are fertilized and develop until birth.

Axolotls, aquatic salamanders native to Mexico can regrow lost limbs, parts of their brain, and even damaged organs throughout their lives.

Crows are known for their problem-solving abilities as they exhibit social behaviors, forming intricate social hierarchies and holding funerals for deceased members of their group.

When a group of ferrets gathers together, it's referred to as a "business." These playful and curious animals are known for their energetic antics and social nature.

Ephants have passed the mirror self-recognition test, demonstrating awareness of themselves as individuals. This suggests a high level of cognitive ability and self-awareness.