nyroca

The reserve is the only nesting place in Bulgaria for black cormorants Phalacrocorax carbo (90-540 pairs) and ferruginous duck Aythya nyroca (V: 60 pairs), and is the largest wintering ground for red-breasted goose Branta ruficollis (V: 20-50 pairs).

Srebarna Nature Reserve, Bulgaria 2009

Other wintering wetland birds include the threatened marbled teal Marmoronetta angustirostris, ferruginous duck Aythya nyroca, and corncrake, Crex crex; also high numbers of green-winged teal Anas crecca, northern pintail Anas acuta, northern shoveler Anas clypeata and black-winged stilt Himantopus himantopus.

Ichkeul National Park, Tunisia 2008

The globally threatened ferruginous duck (Aythya nyroca) is also a resident of the basin.

Po Basin mixed forests 2008

A number of globally threatened bird species migrate through, nest or winter in this area, including the Dalmation pelican (Pelecanus crispus), pygmy cormorant (Phalacrocorax pygmaeus), white-headed duck (Oxyura leucocephala) and ferruginous duck (Aythya nyroca).

Euxine-Colchic deciduous forests 2008

The destruction and degradation of Mediterranean wetlands threaten widespread species occurring in the hotspot such as the Dalmatian pelican (Pelecanus crispus, VU), which winters in the eastern parts of the hotspot, as well as marbled teal (Marmaronetta angustirostris, VU) and ferruginous duck (Aythya nyroca).

Biological diversity in the Mediterranean Basin 2008

It contains the only nesting site in Italy of pygmy cormorant (Phalacrocorax pygmaeus), and is also home to the globally threatened ferruginous duck (Aythya nyroca).

Po Basin mixed forests 2008

Three cases (147-149) are filled with those sub-families of the duck which prefer the sea or the great lakes, including the handsome red-crested European duck; the eider duck, which is robbed of its down for the comfort of mankind; [4] the scoter and nyroca ducks; and, in the third case, the spinous-tailed ducks of southern climes.

How to See the British Museum in Four Visits W. Blanchard Jerrold 1855

Approximately 500,000 garganey (Anas querquedula) and up to 200,000 pintail (Anas acuta) winter here, along with large numbers of ferruginous duck (Aythya nyroca), white-winged tern (Chlidonias leucopterus), ruff (Philomachus pugnax), black-tailed godwit (Limosa limosa) and other waterbirds.

Inner Niger Delta flooded savanna 2008

The Goksu Delta supports globally threatened species such as pygmy cormorant (Phalacrocorax pygmeus), dalmatian pelican (Pelecanus crispus), marbled teal (Marmaronetta angustirostris, also classified as vulnerable on the IUCN Red List), ferruginous duck (Aythya nyroca), greater spotted eagle (Aquila clanga), and imperial eagle (A. heliaca) (both eagles are also classified as vulnerable on the IUCN Red List).

Eastern Mediterranean conifer-sclerophyllous-broadleaf forests 2008

The Kizilirmak Delta hosts breeding populations of Pelecanus crispus, purple heron (Ardea purpurea), Ciconia nigra, spoonbill (Platalea leucorodia), gadwall (Anas strepera), Netta rufina, Aythya nyroca, crane (Grus grus), stone curlew (Burhinus oedicnemus), collared pratincole (Glareola pratincola) and a high number of wintering waterfowls.

Euxine-Colchic deciduous forests 2008