Fregata aquila
National Institutes of Health
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In the last decades many seabirds populations had suffered decreasing in their numbers, sometimes unnoticed. Monitoring…
Marine Ornithology 43: 133–134 (2015) Kleptoparasitism, or food piracy, is widespread among seabirds (Brockmann & Barnard 1979…
The natural diet of Fregata magnificens (Fregatidae, Aves) in the Moleques do Sul Island, Santa Catarina, Brazil.
La asimetría de las rectrices exteriores en Fregata magnificens (rabihorcado) influye en su eficiencia de vuelo, mientras que la…
During the breeding season, birds may have asymmetric tail feathers due to any of the following natural causes: asynchronous…
Durante octubre 2000 - febrero 2001 se realizaron conteos mensuales con binoculares en la laguna de Chacopata (para Pelecanus…
FRmAT•B•m)S are well specialized for remaining airborne for long periods of time. Unfortunately relatively little is actually…
The importance of ornithological observations with respect to Columbus' discovery of America as recorded in the "Diario del…