VOL. 137 · NO. 2 | April 2020
 
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IN MEMORIAM
RESEARCH ARTICLE
137(2), 1-15, (25 February 2020)https://doi.org/10.1093/auk/ukaa002
KEYWORDS: conspecific density, density dependence, food limitation, hatching success, nestling body condition, nestling provisioning, Prothonotary Warbler, reproductive output
BOOK REVIEW
RESEARCH ARTICLE
137(2), 1-18, (21 February 2020)https://doi.org/10.1093/auk/ukaa006
KEYWORDS: breeding phenology, cavity nesting, migratory birds, nest site limitation, productivity, Sialia currucoides, Tachycineta bicolor, weather
137(2), 1-10, (2 March 2020)https://doi.org/10.1093/auk/ukaa007
KEYWORDS: fitness, local recruitment, natal dispersal, woodpecker
137(2), 1-17, (11 March 2020)https://doi.org/10.1093/auk/ukaa008
KEYWORDS: annual cycle, Athene cunicularia, burrowing owl, climate change, drought, migration, phenology, timing of nesting
137(2), 1-9, (21 February 2020)https://doi.org/10.1093/auk/ukaa010
KEYWORDS: behavioral defense, grooming, Ischnocera, lice, Phthiraptera, pigeons, preening
100 YEARS AGO IN THE AOU
IN MEMORIAM
BOOK REVIEW
RESEARCH ARTICLE
137(2), 1-30, (21 March 2020)https://doi.org/10.1093/auk/ukz077
KEYWORDS: Andes, cryptic species, Furnariida, Neotropics, non-adaptive radiation, PHYLOGEOGRAPHY, speciation
137(2), 1-14, (29 January 2020)https://doi.org/10.1093/auk/ukz078
KEYWORDS: anti-parasite treatment, ectoparasites, hatching asynchrony, Ivermectin
137(2), 1-16, (12 February 2020)https://doi.org/10.1093/auk/ukz079
KEYWORDS: foraging behavior, foraging substrate use, intraspecific abundance, mixed-species flock, niche partitioning, nonbreeding ecology
137(2), 1-11, (20 February 2020)https://doi.org/10.1093/auk/ukz080
KEYWORDS: banding data, Black-throated Blue Warbler, migration, phenology, songbird
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