phenotypic variation Archives - British Ornithologists' Union

Winging it

By Ashleigh Marshall|2024-12-19T14:19:54+00:0012 Dec 2024|flexibility, passerines, phenotypic variation, repeatability, sexual dimorphism, sexual selection, trait expression, wing patch size|

European Stonechat white wing patch is a dynamic but consistent trait

Are long tails all about sex?

By Wenyi Zhou|2023-06-19T17:22:26+00:0026 Jun 2023|adaptation, avian biology, behaviour, communication, early-career researcher, ecology, ECR, evolution, feathers, IBIS, passerines, phenotypic variation, plumage|

A review of functions of avian elongated tails

Genes of a feather flock together?

By Kurt Burnham|2022-12-18T10:58:09+00:002 Jan 2023|avian biology, bird assemblages, colonial birds, Genetics, global change, IBIS, island birds, phenotypic variation, physiology, population structure, puffins, Seabirds, Tundra, waterbirds|

An unexpected correlation between body size and subspecies designation within a single puffin colony in High Arctic Greenland. A result of climate change?

Fidelity or divorce? The dilemma of Jaegers

By Yannick Seyer|2022-12-05T12:01:41+00:008 Dec 2022|adult survival, annual cycle, breeding biology, colour ringing/banding, early-career researcher, ecology, ECR, fieldwork, IBIS, life history, mark‐recapture, monitoring, mortality, movements, pair-bond, phenotypic variation, population dynamics, reproduction, Seabirds, site fidelity, Tundra|

How faithful are Arctic migratory seabirds to mates and breeding sites?

Maternal competitive events influence offspring phenotype

By América Hernández|2022-08-31T17:00:23+00:005 Sep 2022|avian biology, Breeding, breeding biology, cavity nesting, competition, early-career researcher, ecology, ECR, eggs, experiment, IBIS, nest monitoring, nest-site limitation, passerines, phenotypic variation|

Compete with me and my progeny will grow faster

Shiny feathers in the mountains

By Chih-Ming Hung|2021-09-30T11:45:55+00:0020 Sep 2021|adaptation, alpine birds, avian biology, colouration, communication, diversification, evolution, feathers, forest birds, IBIS, island birds, passerines, phenotypic variation, plumage, population divergence, ultraviolet light|

Mountain babblers reflect more UV light than lowland babblers

Collection bias in bird colour aberrations

By Adam Zbyryt|2020-12-22T15:04:42+00:0026 Oct 2020|albinism, citizen science, collection bias, colour mutations, colouration, leucism, phenotypic variation|

What can digital data teach us about colour aberrations and human behaviour?