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No evidence for an adaptive role of early molt into breeding plumage in a female fairy wren
TLDR
The finding that molt timing is status dependent raises the possibility that other attributes of the ornament may fulfill an adaptive function in females of the monogamous purple-crowned fairy wren, in contrast to other genetically polygamous Fairy wrens in which early molt predicts extrapair mating success in males.
Ornaments are equally informative in males and females: a bivariate meta-analysis in birds
TLDR
A systematic review and phylogenetically controlled bivariate meta-analysis of ornaments in mutually ornamented birds finds that more ornamented individuals are in better condition and achieve higher reproductive success, implying that female ornament could widely function in a similar manner as male ornamments.
THE CHALLENGE OF ESTIMATING AND MONITORING THE POPULATION SIZE OF THE ENDANGERED PERUVIAN PLANTCUTTER (PHYTOTOMA RAIMONDII)
TLDR
The number of adult individuals of the endangered Peruvian Plantcutter at the protected area Pomac Forest Historical Sanctuary was estimated in 2016 and contrasted with refined estimates from a survey conducted in 2011, providing detailed information for replicability and improvement.
Flexibility in resource selection for foraging and nest construction in Peruvian Plantcutters (Phytotoma raimondii)
TLDR
This study reveals that the Peruvian Plantcutter occupies a wider range of breeding habitats than previously thought; however, its flexibility in resource use is still expressed within a narrow array of known selected plant species.