zoologist, ethologist, guenon, paleontologist, palaeontologist, biologist, ecologist, anthropologist, primate, geneticist, chimpanzees, herpetologist, ornithologist, scientist, researcher, cognitive neuroscientist, mammalogist, bonobo, paleobiology, konrad lorenz, neurobiologist, mandrills, ichthyologist, botanist, conservationist, cryptozoologist, molecular biologist, elephant shrew, okapi, naturalist, orangutan, biochemist, giraffa camelopardalis, gorillas, entomologist, archaeologist, louis leakey, paleobotanist, zookeeper, taxonomist, leakey, archeologist, lemurs, neuroscientist, palaeontology, richard leakey, egyptologist, pygmy chimpanzee, gall wasp, pan troglodytes, olduvai gorge, geochelone, immunologist, anatomist, zoological, zoo, sociologist, ethnologist, biophysicist, cheetahs, astrophysicist, virologist, marmosets, limnologist, developmental psychology, bioacoustics, habilis, mountain gorilla, apes, sifaka, thylacine, macaque, lepidopterist, honey badger, mangabey, siamangs, arachnologist, carnivore, chimp, tuataras, meerkats, aquarist, panthera leo, cultural anthropologist, mycologist, elephants, andean condor, vertebrate paleontology, fossey, bacteriologist, cuvier, gyrfalcon, microbiologist, peccary, coelacanth, baboon, harpy eagle, comparative anatomy, coati, etymologist, curator, hyrax, architect, astronomer, banker, bankers, cartographer, chemist, diplomat, economist, engineer, firm, geologists, industrialist, innkeeper