Welcome to the Monitoring Avian Productivity and Survivorship (MAPS) Program! MAPS is a
cooperative effort among public agencies, private organizations, and the bird banders of the …

Patterns of habitat use directly influence a species' fitness, yet for many species an
individual's age can influence patterns of habitat use. However, in tropical rainforests, which …

Two broad nomenclatures have emerged to describe moult strategies in birds, the 'life‐
cycle'system which describes moults relative to present‐day breeding and other life‐history …

Ringing activity in the Eastern Cape province, South Africa, spanned 30 years, with three
sites active concurrently over a 14-year period, and three sites over a 6-year period. In total …

Seabirds have been touted as excellent bioindicators of mercury pollution. We utilised grey-
faced petrel (Pterodroma gouldi) feathers to assess interannual differences in total mercury …

The first Black-headed Penduline Tit (Remiz macronyx) in Turkey was recorded in April
2022, where it was captured and ringed at the Aras River Ornithological Research Station …

An increasing body of evidence has displayed upslope shifts in the high-diversity avian
communities of tropical mountains. Such shifts have largely been attributed to warming …

Aim The high proportion of plumage polymorphism in raptor species presents exciting
research potential. Unfortunately, fundamental knowledge gaps remain that limit our ability …

Within avian biology, molt represents a crucial and energetically demanding process that
involves the periodic replacement of plumage. A comprehensive understanding of molt …

Woodpeckers have unique molting patterns in which primaries and rectrices are replaced
during all molt cycles but primary coverts and secondaries can be retained during prebasic …