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Comparison of the skull of Brown Skua (Catharacta antarctica lonnbergi) and South Polar Skua (Catharacta maccormicki): differentiation source identification and discriminant analysis
(Springer, 2018-05)
Many contributions try to emphasize the similarities and differences between the Brown Skua Catharacta antarctica lonnbergi¸ and the South Polar Skua Catharacta maccormicki. Most of the morphological information of these ...
Ecologia reprodutiva de Catharacta Lonnbergi na ilha Elefante, arquipélago das Shetlands do Sul - Antártica
(Universidade do Vale do Rio dos Sinos, 2011-07-20)
Large scale patterns, as climate and resources show time fluctuations, what can influence individuals phenology and reproductive success. On a smaller scale, factors like adult quality, nest composition and location are ...
Ecologia reprodutiva de Catharacta Lonnbergi na ilha Elefante, arquipélago das Shetlands do Sul - Antártica
(Universidade do Vale do Rio dos Sinos, 2011-07-20)
Large scale patterns, as climate and resources show time fluctuations, what can influence individuals phenology and reproductive success. On a smaller scale, factors like adult quality, nest composition and location are ...
Análisis morfométrico del surco nasal en aves
(Neotropical Ornithological Society, 2010-12)
The location of the salt gland in birds can be supra- or infraorbital, leaving generally a mark on the skull. The first type leaves a mark on the frontals, the fossa glandulae nasalis or nasal furrow, placed in the ...