agriculture amphibians anatomy, comparative anecdotes animal anatomy / morphology / histology animal behavior animal communication animal ecology animal genetics and genomics animal intelligence animal models in research animal physiology animal populations animal societies animal systematics/taxonomy/biogeography animal welfare animals animals and civilization animals in literature animals, laboratory animaux ants apes applied ecology aquatic animals arachnida arthropoda atlases australian bats bees beetles behavior evolution behavior, animal behavioural sciences biodiversity biodiversity conservation biography biological evolution biology biotechnology biowissenschaften, biologie bird populations bird watching birds birds of prey brain butterflies carnivora cetacea chimpanzees chondrichthyes chrysomelidae classification climatic changes cognition in animals conference proceedings conservation biology conservation biology/ecology conservation of natural resources crustacea damselflies decapoda (crustacea) developmental biology diergedrag dolphins dragonflies drosophila e-böcker e-böcker ecology electronic book electronic books elephants embryology endangered species entomology evolution evolution (biology) evolutionary biology evolutionary developmental biology field guides fish & wildlife biology & management fisheries fishes freshwater & marine ecology freshwater fishes freshwater invertebrates frogs general interest ground beetles guidebooks habitat (ecology) health & biological sciences history honeybee host-parasite relationships human ecology human evolution human-animal communication human-animal relationships identification guides indicators (biology) insect pests insect societies insect-plant relationships insects invertebrates kokousjulkaisut konferenspublikationer kurssikirja laboratory animals learning in animals lepidoptera life sciences life sciences, other lizards mammal populations mammals marine animals marine biology marine fishes marine invertebrates marine mammals medical medicine mice migratory birds miscellanea mollusks morphology (animals) moths natural history natural sciences naturalists nature nature / animals / birds nature / animals / fish nature / animals / general nature / animals / insects & spiders nature / animals / mammals nature / animals / reptiles & amphibians nature / animals / wildlife nature / birdwatching guides nature conservation nematodes neurobiology ornithologists ornithology owls parasites parasitism parasitology physiology pictorial works predation (biology) predatory animals primates psychology psychology, comparative rare birds reptiles rodents science science / life sciences / zoology / entomology science / life sciences / zoology / general science / life sciences / zoology / ichthyology & herpetology science / life sciences / zoology / mammals science / life sciences / zoology / ornithology sea turtles sexual behavior in animals sexual selection in animals sharks snails snakes social behavior in animals social science spiders stem cells sähkökirjat termites textbooks, reference books natural sciences tiere tiere (zoologie) turtles urban animals verhalten vertebrates vögel whales wildlife conservation wildlife management wildlife refuges wildlife rescue wildlife watching wolves zoo animals zoologists zoology zoos