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Ofeaglesthereareseveralspecies。Oneofthem，called\'thewhite-tailedeagle\'，isfoundonlowlands，ingroves，andintheneighbourhoodofcities；somecallitthe\'heron-killer\'。Itisboldenoughtoflytomountainsandtheinteriorofforests。Theothereaglesseldomvisitgrovesorlow-lyingland。Thereisanotherspeciescalledthe\'plangus\'；itrankssecondinpointofsizeandstrength；
itlivesinmountaincombesandglens，andbymarshylakes，andgoesbythenameof\'duck-killer\'and\'swart-eagle。\'ItismentionedbyHomerinhisaccountofthevisitmadebyPriamtothetentofAchilles。ThereisanotherspecieswithblackPlumage，thesmallestbutboldestofallthekinds。Itdwellsonmountainsorinforests，andiscalled\'theblack-eagle\'or\'thehare-killer\'；itistheonlyeaglethatrearsitsyoungandthoroughlytakesthemoutwithit。Itisswiftofflight，isneatandtidyinitshabits，tooproudforjealousy，fearless，quarrelsome；itisalsosilent，foritneitherwhimpersnorscreams。Thereisanotherspecies，thepercnopterus，verylarge，withwhitehead，veryshortwings，longtail-feathers，inappearancelikeavulture。Itgoesbythenameof\'mountain-stork\'
or\'half-eagle\'。Itlivesingroves；hasallthebadqualitiesoftheotherspecies，andnoneofthegoodones；foritletsitselfbechasedandcaughtbytheravenandtheotherbirds。Itisclumsyinitsmovements，hasdifficultyinprocuringitsfood，preysondeadanimals，isalwayshungry，andatalltimeswhiningandscreaming。
Thereisanotherspecies，calledthe\'sea-eagle\'or\'osprey\'。Thisbirdhasalargethickneck，curvedwings，andbroadtailfeathers；