ecologist, zoologist, biologist, birder, bird watcher, herpetologist, naturalist, botanist, birdwatcher, entomologist, lepidopterist, pipit, conservationist, ethologist, ichthyologist, paleontologist, mycologist, cryptozoologist, palaeontologist, mammalogist, anthropologist, archaeologist, taxonomist, birding, archeologist, avocet, horticulturalist, primatologist, nightjar, waterbird, avifauna, rusty blackbird, scientist, plantsman, birdwatchers, northern harrier, paleobotanist, northern shrike, summer tanager, geneticist, birdlife, aquarist, geologist, twitcher, wildlife, etymologist, ethnologist, curator, astronomer, oceanographer, horticulturist, vesper sparrow, geographer, historian, ethnographer, curlew, goshawk, glaucous gull, kingfisher, cedar waxwing, harpy eagle, cassowary, brown thrasher, indigo bunting, pine warbler, harlequin duck, falconer, upland sandpiper, paleobiology, dowitchers, forester, agriculturalist, bobolinks, cultural anthropologist, caretta caretta, oystercatcher, spoonbill, mineralogist, shrikes, reed warbler, loggerhead shrike, shorebird, bioacoustics, bitterns, rookery, brown creeper, glaciologist, redstart, ovenbird, spadefoot toad, eastern meadowlark, immunologist, purple gallinule, pochard, folklorist, orchard oriole, eared grebe, damselflies, ivory gull, egrets, fauna, geophysicist, genealogist, philologist, anatomist, mathematician, meteorologist, ornithologists, organist, orientalist, physiologist, sportsman

alexander wilson, audubon, john james audubon, wilson

animal scientist, zoologist

bird watcher