I've read them and they are very interesting. I love how the author writes the lines.
This is an expository prose.
Use R.A.C.E. Your looking for cite or textual evidence
Animals being in captivity is bad for their instincts. In captivity, animals lose their more wild side that's in touch with their original and natural environment. Unless an animal (specifically whales in this case) is injured and cannot be in the wild, they should not be kept in captivity.
