population dynamics Archives - British Ornithologists' Union

Lead ingestion by Bald Eagles

By Brenda Hanley|2023-06-21T14:32:47+00:003 Jul 2023|bird-human interactions, Conservation, lead poisoning, population dynamics, raptors, rehabilitation, soaring birds, survival|

Understanding lead effects on the American national bird

Body condition and reproduction in declining diving ducks

By Dorota Gajdošová|2023-05-01T14:50:17+00:001 May 2023|avian biology, breeding biology, breeding success, colour ringing/banding, eggs, fieldwork, IBIS, incubation, nesting success, parasitism, physiology, population dynamics, population structure, waterbirds|

Increased body condition affects duck egg mass and hatchability

Turtle Doves under threat

By Jente Ottenburghs (he/him)|2023-04-06T10:34:29+00:006 Apr 2023|adult survival, agriculture, Bird Protection, Farmland birds, habitat degradation, illegal killing, infectious diseases, life history, Migration, population dynamics|

What causes the dramatic decline of this species?

Europe-wide demography of Eurasian Curlew

By Duarte Viana|2023-03-24T12:50:30+00:0030 Mar 2023|Breeding, breeding success, demography, ecology, IBIS, nest predation, population dynamics, population structure, populations, waders, waterbirds|

Are population size trends consistent with available demographic data?

Is successive remating beneficial for short-lived birds?

By Esteban Botero-Delgadillo|2023-02-08T13:43:27+00:0016 Feb 2023|behaviour, Breeding, breeding biology, breeding success, ecology, fieldwork, forest birds, IBIS, Neotropics, nesting success, pair-bond, passerines, population dynamics, population structure, tropical birds|

Mate replacement versus mate retention in the Thorn-tailed Rayadito

Worried about the Greenland White-fronted Goose

By Jente Ottenburghs (he/him)|2023-02-04T11:34:43+00:009 Feb 2023|adult survival, agriculture, annual cycle, Bayesian modelling, breeding success, hunting pressure, Migration, overwintering, population dynamics, ringing, waterbirds|

Why has this goose population declined since 2000?

Birds in cocoa farms: a sweet deal

By Crinan Jarrett|2023-01-08T13:11:03+00:002 Feb 2023|Africa, agriculture, biodiversity, community ecology, displacement, ecology, experiment, fieldwork, forest birds, invertebrates, population dynamics, tropical birds|

Birds and bats regulate pest populations in African cocoa farms

Does increased density reduce reproduction?

By Rimgaudas Treinys|2023-01-23T12:14:04+00:0030 Jan 2023|birds of prey, Breeding, breeding biology, displacement, ecology, fieldwork, nesting, nesting success, nestlings, population dynamics, population structure, raptors, reproduction|

No support for decreased reproduction with a population increase in the White-tailed Eagle

Where do breeding Procellaria petrels forage?

By Lily Bentley|2022-12-08T13:00:56+00:0012 Dec 2022|annual cycle, breeding biology, early-career researcher, ecology, ECR, foraging, habitat selection, IBIS, life history, monitoring, movement, movements, Oceanography, population dynamics, Seabirds, storm-petrels|

Travelling thousands of kilometres to find lunch

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?