37.29.00=Glaciology 38.31.00=Paleontology 39.23.00=Country Geography 41.19.00=Solar System ENCYCLOPEDIA Glaciology HANDBOOK adaptive evolution african american animal animal life area arid region australia australian australian honeyeaters australian robin barn barn swallow behavior behavior reproduction bird birdlife international birds black black-winged black-winged stilt blue-black grassquits body books books higgins branch breeding breeding period breeding season brown caterpillar behavior cattle cattle egret centimeter conservation conservation status cooperative breeder coral atoll cormorant cornell lab courtship ritual crested crested bellbird day diet diet consists dunning eat ecological niche egg egret elizabeth lack encyclopedia birds endangered facing eurasian european eye falcon family feather feed female females field guide field guides fledgling period flock flycatcher food foot forest fruit geographic geographic range golden whistler golden-winged sunbird grass gray gray collar gray-crowned babbler great great cormorant greater green ground group grzimek guide habitat hawaiian honeycreeper hawaiian islands head hen island hermes reef high high risk hoopoe house house sparrow human human-made fiber illustration inch inch centimeter incubation period indonesian island insect island james jointed limb joseph lay life life resource live local movement long long down-curved long period male males mate monogamous muh-nah-guh-mus monogamous muhnah-guh-mus mountainous region national natural history neighboring island nest nestling period nonbreeding season nora bowers north north america northern number order oriole osprey pair parent penduline tit people peregrine peregrine falcon period permission philippine creeper photographic guide physical pigeon plant plumage polygynous puh-lij-uh-nus poor flier potential attraction predator press previous breeding princeton pygmy tit rainy season range red red bishop red-browed treecreeper reference atlas reproduced reproduced permission reproduction resource rock rock pigeon rocky mountains royal society san diego scottphoto researchers scrub robin sea level season seed short sibley sibley guide solely responsible song southeast asia southeastern coast southern sparrow specie spotted spotted-back weaver square-tailed drongo status sticky substance stilt striking distance stripe-breasted rhabdornis stripe-headed rhabdornis stripe-headed rhabdornises strong flier student student animal sunbirds swallow tail taiwan prefers territory threatened tick flea time tit toe pointing tree treeless tundra twenty-eight day undertail covert variable pitohui victorias riflebird vulnerable facing wall creeper warmer climate weaver western coast white wildlife service wing winter year yellow yellow-breasted chat york york alfred york facts york knopf young