...
—But for the protection that has been provided for it by the ornithologists of Massachusetts, and particularly Dr... 
William T. Hornaday 「Our Vanishing Wild Life」
...It is used and recommendedby our leading ornithologists and teachers...
Chester A. Reed 「The Bird Book」
...Indeed, some ornithologists havesaid that it is not a song, but a call or cry, and ithas also been described as "harsh...
W. H. Hudson 「Birds and Man」
...The same bird appears, however, more frequent in Cayenne, according to the older ornithologists...
William Swainson 「Zoological Illustrations, Volume II」
...Most ornithologists agreethat some of the passerine families of current classifications areartificial groups...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...If ornithologists...
John Albert Leach 「An Australian Bird Book」
...The first is the Barraband Parrakeet ofGould, and the Green Leek of some ornithologists...
John Albert Leach 「An Australian Bird Book」
...In Madeira there is a rock-pigeon which a few ornithologists have suspected to be distinct from C...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Some ornithologists classify it with the eagles...
Douglas Dewar 「Birds of the Indian Hills」
...—"All ornithologists in India ...
Douglas Dewar 「A Bird Calendar for Northern India」
...The faithfulness to nature of the pictures, in color andpose, have been commended by such ornithologists and authors as Dr...
Various 「Birds Illustrated by Color Photography [August, 1897]」
...We begin with the Passeres because modern ornithologists arenow nearly all agreed that this order attains the highest Aviandevelopment...
Rev. C. A. Johns 「British Birds in their Haunts」
...There seems so much confusion in the minds, or at least the language, of ornithologists, between the Water Rail and Water Hen, that I give this latter bird under the number XII...
John Ruskin 「Love's Meinie」
...Because its unique geographical location and ecological setting supports a rich and varied avifauna, the Yucatán Peninsula has received considerable attention by ornithologists...
Erwin E. Klaas 「Summer Birds From the Yucatan Peninsula」
...It is well to state here also, that ornithologists do notalways agree in the classification and nomenclature ofbirds...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
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