Planet of Birds

Indigo Bunting (Passerina cyanea) Science Article 3 abstract Dwight pointed out (1900, p. 211 et seq.) long ago that the Indigo Bunting replacessome outer primaries at the postjuvenal molt. These replaced primaries (in the male) have blue outer vanes contrasting sharply with the blackish outer vanes of the juvenal primaries, except that primary 9 has […]

Indigo Bunting (Passerina cyanea) Science Article 2 abstract FOUR buntings of the genus Passerina breed in the United States: Indigo (P. cyanea), Lazuli (P. amoena), Varied (P. versicolor), and Painted (P. ciris). WALTER KINGSLEY TAYLOR, The Auk 91: 485-487. July 1974 Download article download full text (pdf)

Indigo Bunting (Passerina cyanea) Science Article 6 abstract Levels of parental care by male Indigo Buntings (Passerina cyanea) were predicted to be lower and the tendency to pursue extrapair matings greater when (1) the opportunity of additional matings (extrapair copulations) was high, (2) the male was cuckolded, and (3) the clutch or brood size was […]

Indigo Bunting (Passerina cyanea) Science Article 1 abstract Habitat loss and fragmentation have led to a widespread increase in the proportion of edge habitat in the landscape. Disturbance-dependent bird species are widely assumed to benefit from these edges. However, anthropogenic edges may concentrate nest predators while retaining habitat cues that birds use to select breeding […]

Indigo Bunting (Passerina cyanea) Science Article 5 abstract Recent years have seen the accumulation of many useful quan- titative and qualitative data pertaining to weight and fat in migratory birds. Most investigations of this nature have thus far dealt with birds breeding and overwintering on north temperate land masses, but few quantitative data pertaining to […]