Animals fish 15. In her book do fish feel pain biologist victoria braithwaite says that there is as much evidence that fish feel pain and suffer as there is for birds and mammals. Fish dont audibly scream when theyre impaled on hooks or grimace when the hooks are ripped from their mouths but their behavior offers evidence of their sufferingif were willing to look. At amazonia enclosures were designed to mimic a tropical rainforest where dozens of mammals birds fish reptiles and amphibians move freely throughout the exhibit. The birds skin is also covered in layers of feathers to keep them warm but the feather also make the bird extremely light so it can fly without trouble.
The smithsonians national zoo provides its animals with enrichmentphysically and mentally stimulating toys activities social groups and environments.