Fishes from the marine and continental miocene in Entre Ríos, central eastern Argentina [PDF]
, 2013 La diversa fauna neógena que se registra en los acantilados orientales del río Paraná cerca de la ciudad de Paraná, Entre Ríos es conocida desde la mitad del siglo XIX. Muchos vertebrados de agua dulce, marinos y terrestres se han colectado allí.
Azpelicueta, Maria de Las M. +4 more
core +1 more source
, 2005 Plotopterids (Aves: Plotopteridae) are extinct wing-propelled diving birds which exhibit a strikingly similar wing morphology to penguins (Spheniscidae), but also share derived characters with pelecaniform birds that are absent in penguins.
G. Mayr
semanticscholar +1 more source
Humboldt penguins monitored via VHF telemetry [PDF]
, 1998 VHF telemetry was used in November and December 1995 on 8 Humboldt penguins Spheniscus humboldti breeding at Pan de Azúcar Island (26°S, 70°W), Northern Chile, to determine at-sea behaviour of the birds.
Correa, Hector +3 more
core +1 more source
The foraging behaviour of Chinstrap Penguins Pygoscelis antarctica at Ardley Island, Antarctica [PDF]
, 1999 The foraging behaviour of 20 Chinstrap Penguins Pygoscelis antarctica breeding at Ardley Island, King George Island, Antarctica was studied during the austral summers of 1991/2 and 1995/6 using stomach temperature loggers (to determine feeding patterns),
Peters, Gerrit, Wilson, Rory P.
core
Drivers of intrapopulation variation in resource use in a generalist predator, the macaroni penguin [PDF]
Intrapopulation variation in resource use occurs in many populations of generalist predators with important community and evolutionary implications. One of the hypothesised mechanisms for such widespread variation is ecological opportunity, i.e. resource
Green, J. A. +7 more
core +1 more source
Abundance and diversity of waterbirds in a marine wetland of Golfo San jorge, Argentina [PDF]
, 2005 Se estudiaron la diversidad y la abundancia de aves acuáticas que utilizaron los ambientes intermareales y aguas someras de la caleta Malaspina, Golfo San Jorge, Chubut, mediante conteos semanales durante la primavera de 2000. Para esto se ubicaron siete
Gatto, Alejandro +3 more
core +4 more sources
Diving angle of great cormorants [PDF]
, 2004 Seabirds can maximize the relative time spent at depths where prey occur by minimizing the commuting time taken to reach these depths. One way to achieve this goal is to modify dive angle, but there are few measures of dive-angle in free-foraging ...
Gremillet,David +2 more
core +1 more source
Descripción cariotípica de <i>Spheniscus magellanicus</i> (Spheniscidae)
El Hornero, 2003 The karyotype and the C-band pattern of Spheniscus magellanicus are described here for the first time. Peripheral blood samples from three females and four males were taken in Imbé (Rio Grande do Sul, Brazil). Long-time cultures of leukocytes were made in order to obtain mitotic metaphases.
Mario A. Ledesma +4 more
openaire +1 more source
Notas faunísticas y bioecológicas de Península Valdés y Patagonia. V. Anillado de aves en el litoral marítimo patagónico para estudios del comportamiento migratorio (Provincias de Chubut y Santa Cruz, Rep. Argentina) [PDF]
, 1977 Faunistic and bioecological notes of Península Valdés and Patagonia. V. Bird banding in Patagonian maritime littoral (Provinces of Chubut and Santa Cruz, Argentina)
Daciuk, Juan
core +3 more sources
Brazilian Journal of Veterinary Medicine, 2013 Os pinguins-de-Magalhães são aves marinhas migratórias que passam pela plataforma continental brasileira e podem se perder atingindo as praias do Rio de Janeiro.
Sabrina Destri Emmerick Campos +5 more
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