Related by context. Frequent words. (Click for all words.) 61 Project Nim 55 Frans de Waal 54 chimpanzee 50 primatologist 49 chimps 49 primate 49 chimp 48 chimpanzees 48 zebra finch 47 vocalisations 47 sociobiology 47 Steven Pinker 47 primatologists 47 Chimpanzee 47 nonhuman primates 47 evolutionary origins 47 Ardipithecus ramidus 47 Schrödinger 47 macroevolution 47 Great Ape Trust 46 Martin Heidegger 46 developmental biologist 46 rhesus monkey 45 bonobo 45 Jane Goodall 45 Geneticist 45 interspecies 45 Great Apes 44 Anthropologist 44 coelacanth 44 capuchin monkeys 44 palaeontologist 44 crocodilian 44 orangutan 44 theropod dinosaurs 44 convergent evolution 44 Herman Melville Moby Dick 44 kinkajou 44 zoologists 44 zoologist 44 Nobelist 43 biogeography 43 bonobos 43 mating habits 43 apes 43 Indohyus 43 Pruetz 43 evolutionary biology 42 biological anthropology 42 sexual dimorphism 42 howler monkey 42 Alfred Russel 42 developmental psychology 42 lemur 42 rhesus macaque 42 zebra finches 42 Biology Letters 42 Reinhold Niebuhr 42 meerkats 42 Cannibalism 42 evolutionary psychologists 42 Richard Feynman 42 Charles Darwin 42 triceratops 42 primate evolution 42 Neuroscientist 42 anteater 42 Chimp 42 geneticists 42 placental mammals 41 tyrannosaurus rex 41 systematics 41 anthropoids 41 echidna 41 hermaphroditic 41 giant tortoise 41 evolutionary biologists 41 evolutionary biologist 41 reproductive biology 41 afarensis 41 aardvarks 41 vocalizations 41 Evolutionary Anthropology 41 naked mole rat 41 phylogeny 41 mitochondrial genome 41 neuroanatomy 41 ape 41 primates 41 emperor penguin 41 liger 41 Haeckel 41 taxon 41 Komodo dragon 41 journal PLoS Biology 40 simian immunodeficiency virus 40 biological anthropologist 40 marmosets 40 Tiktaalik 40 tyrannosaurus 40 lowland gorillas