Passeriformes Corvidae Alpine Chough (Pyrrhocorax graculus) [order] Passeriformes | [family] Corvidae | [latin] Pyrrhocorax graculus | [UK] Alpine Chough | [FR] Chocard à bec jaune | [DE] Alpendohle | [ES] Chova piqigualda | [IT] Gracchio | [NL] Alpenkauw Physical charateristics Medium-sized, rather small-headed, graceful crow. Black, with relatively small, short, decurved yellow bill and red […]
Alpine Accentor (Prunella collaris)
Passeriformes Prunellidae Alpine Accentor (Prunella collaris) [order] Passeriformes | [family] Prunellidae | [latin] Prunella collaris | [UK] Alpine Accentor | [FR] Accenteur alpin | [DE] Alpenbraunelle | [ES] Acentor alpino | [IT] Sordone | [NL] Alpenheggemus Physical charateristics Larger and much more robust than any other accentor. Quite strong billed, bulky, with form somewhat recalling […]
Allens Gallinule (Porphyrio alleni)
Gruiformes Rallidae Allens Gallinule (Porphyrio alleni) [order] Gruiformes | [family] Rallidae | [latin] Porphyrio alleni | [UK] Allens Gallinule | [FR] Talève d’Allen | [DE] Bronzesultanshuhn | [ES] Calamoncillo Africano | [IT] Pollo sultano di Allen | [NL] Afrikaans Purperhoen Physical charateristics They are similar in size to the only slightly larger Water Rail. The […]
Aleutian Tern (Sterna aleutica)
Charadriiformes Sternidae Aleutian Tern (Sterna aleutica) [order] Charadriiformes | [family] Sternidae | [latin] Sterna aleutica | [UK] Aleutian Tern | [FR] Sterne des Aléoutiennes | [DE] Aleutenseeschwalbe | [ES] Charrán Aleutiano | [IT] Sterna aleutina | [NL] Aleoetenstern Physical charateristics Measuring 30-32 cm long with a 73-75 cmd wingspan, the Aleutian Tern weighs only 3.9 […]
Razorbill (Alca Torda)
[order] Charadriiformes | [family] Alcidae | [latin] Alca torda | [UK] Razorbill | [FR] Petit Pingouin | [DE] Tordalk | [ES] Alca común | [IT] gazza marina | [NL] Alk Physical charateristics Razorbills are heavy-billed auks with an unusually long, rather graduated tail. During summer the head and the throat of adult Razorbills are black […]
Nidificacion y habitat del petrel de wilson (Oceani tes oceanicus) en punta cierva, costa de Danco, peninsula antartica
Wilsons Storm-petrel (Oceanites oceanicus) Science Article 1 abstract Studies on Wilson’s Storm-Petrel population at Cierva Point, Danco Coast, Antarctic Peninsula (64 09 deg S,60 57 deg W), were done in the austral summer 1994-1995. The research was carried out in two areas, along the rockycoast and in the moss-covered hillsides. The mean density of nests […]
Nidificacion y habitat del petrel de wilson (Oceani tes oceanicus) en punta cierva, costa de Danco, peninsula antartica
Wilsons Storm-petrel (Oceanites oceanicus) Science Article 1 abstract Studies on Wilson’s Storm-Petrel population at Cierva Point, Danco Coast, Antarctic Peninsula (64 09 deg S,60 57 deg W), were done in the austral summer 1994-1995. The research was carried out in two areas, along the rockycoast and in the moss-covered hillsides. The mean density of nests […]
POPULATION STUDIES OF THE POLYANDROUS SPOTTED SANDPIPER
Spotted Sandpiper (Actitis macularius) Science Article 1 abstract A color-banded population of Spotted Sandpipers (Actitis macularia) was studied over a 10-yr period on Little Pelican Island, Leech Lake, Minnesota. A total of 75 females and 107 males bred for 144 fenales yr and 200 males yr. The observed skew in the populations ex ratio was […]
POPULATION STUDIES OF THE POLYANDROUS SPOTTED SANDPIPER
Spotted Sandpiper (Actitis macularius) Science Article 1 abstract A color-banded population of Spotted Sandpipers (Actitis macularia) was studied over a 10-yr period on Little Pelican Island, Leech Lake, Minnesota. A total of 75 females and 107 males bred for 144 fenales yr and 200 males yr. The observed skew in the populations ex ratio was […]
POPULATION STUDIES OF THE POLYANDROUS SPOTTED SANDPIPER
Spotted Sandpiper (Actitis macularius) Science Article 1 abstract A color-banded population of Spotted Sandpipers (Actitis macularia) was studied over a 10-yr period on Little Pelican Island, Leech Lake, Minnesota. A total of 75 females and 107 males bred for 144 fenales yr and 200 males yr. The observed skew in the populations ex ratio was […]