He is receiving treatment for nephrotic syndrome.

He was diagnosed with Asperger's syndrome.

He is an expert in primatology and is engaged in the study of gorilla behavior.

Myriapods belong to the same Arthropoda phylum as insects.

He is famous as a countertenor singer.

Rodents are widely distributed around the world.

He is an expert in paleoanthropology, investigating archaeological sites around the world.

He is an expert in paleoanthropology, conducting research on the origins of mankind.

He is always hanging out with bad friends. Truly, birds of a feather flock together.

Cephalopods are a type of marine life that includes squid and octopus.