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 […]
Category: Passeriformes
Age and sex determination of monomorphic non-breeding choughs: a long-term study
Chough (Pyrrhocorax pyrrhocorax) Science Article 1 abstract We present criteria for sexing and aging non-breeding Choughs( Pyrrhocorax py rrhocorax) based on nine years of capture-recapture data. Shape of the rectrices, intensity of plumage colour and iridescent brightness , and the contrast between old flight feathers and freshly molted ones allowed us to distinguish three age […]
Age and sex determination of monomorphic non-breeding choughs: a long-term study
Chough (Pyrrhocorax pyrrhocorax) Science Article 1 abstract We present criteria for sexing and aging non-breeding Choughs( Pyrrhocorax py rrhocorax) based on nine years of capture-recapture data. Shape of the rectrices, intensity of plumage colour and iridescent brightness , and the contrast between old flight feathers and freshly molted ones allowed us to distinguish three age […]