black-shouldered

Raptors amongst the stabilised sands include 15 breeding pairs (about a tenth of the world's population) of the Spanish imperial eagle Aquila heliaca adalberti (VU), black vulture Aegypius monachus, short-toed eagle Circaetus gallicus, booted eagle Hieraaetus pennatus, buzzard Buteo buteo, black kite Milvus migrans, black-shouldered kite Elanus caeruleus, red kite M. milvus, and hobby Falco subbuteo.

Doñana National Park, Spain 2008

Comparison between the census and the depreciated numbers of recent years show that from the birds of prey the sparrow-hawk, kestrel, black-shouldered kite and black-checked falcon have disappeared.

Last Leaves from Dunk Island 2003

To the second category belong all cases of hybridism, of cross breed, and in all probability the new varieties and forms, such as the memorable one of the black-shouldered peacock.

On the Genesis of Species St. George Mivart

Besides these, the case of the Normandy pigs, of _Datura tatula_, and also of the black-shouldered peacock, have been spoken of.

On the Genesis of Species St. George Mivart

Yet apart from the black-shouldered and white varieties, no tendency to change has been known to show itself.

On the Genesis of Species St. George Mivart

But the individuals maintained _have not been too few_ for the independent origin of the black-shouldered form, or for the supplanting of the commoner one by it.

On the Genesis of Species St. George Mivart

It is also conceivable that such new forms may be endowed with {237} excessive constitutional strength and viability, and with generative prepotency, as was the case with the black-shouldered peacock in Sir J. Trevelyan's flock.

On the Genesis of Species St. George Mivart

But the bull, a splendid, black-shouldered, heavy-muffled fellow, with the new antlers just beginning to knob out from his massive forehead, appealed to him strongly.

Kings in Exile Charles George Douglas Roberts 1901

Prof.A. Newton, states that, five or six years ago, a female bird, in all respects similar to the female of the black-shouldered kind, was produced from a stock of common peacocks in his possession, which during more than twenty years had not been crossed with birds of any other strain.

The Variation of Animals and Plants Under Domestication, Vol. I. Charles Darwin 1845

It is remarkable that in these two latter instances the black-shouldered kind increased, "to the extinction of the previously existing breed."

The Variation of Animals and Plants Under Domestication, Vol. I. Charles Darwin 1845