- Birds
- Reptiles (snakes, lizards, crocodiles, turtles)
- Amphibians (frogs, salamanders, newts)
- Fish (most species, including salmon, trout, and tuna)
- Insects (butterflies, moths, ants, bees)
Animals that have live young:
- Mammals (humans, dogs, cats, horses, whales)
- Some fish species (sharks, rays, seahorses)