Bird
Fish
Amphibians
Reptiles
Mammals
Land and water, fur, viviparous, lungs.
Water, scales, oviparous, gills.
Land and water, dry scales, oviparous, lungs.
Land, feathers, oviparous, lungs.
Water (youngs) land (adults), wet skin, oviparous, gills (youngs), lungs (adults).
