nesting Archives - British Ornithologists' Union

Same stripes, different season

By Jón Einar Jónsson|2026-05-25T09:16:00+01:0022 Jun 2026|clutch size, colouration, IBIS, nesting|

A decade of consistent white wing stripes in Icelandic Common Eiders

When staying isn’t the best

By Daniel Ramírez|2026-03-15T12:29:16+00:0020 Apr 2026|breeding biology, Conservation, IBIS, nesting, passerines, reproduction|

Divorce increases reproductive success in Pied Flycatchers

Can we halt population decline in European Turtle Doves?

By Ashleigh Marshall|2025-02-24T03:59:19+00:0013 Feb 2025|breeding biology, breeding success, Conservation, ecology, nesting, nesting success, productivity, radiotelemetry|

Increased adult survival could help population growth more than higher productivity

Historical Harvesting of Seabirds

By Thalissa Inch|2024-06-10T08:31:25+01:0010 Jun 2024|birds of conservation concern, eggs, monitoring, nesting, population decline, Seabirds|

Continued egg harvesting drives Sooty Tern declines

To moult or not to moult?

By Ashleigh Marshall|2024-05-02T01:11:36+01:002 May 2024|body condition, clutch size, experiment, nesting, provisioning, sexual conflict|

Trade-offs between reproduction and self-maintenance in Blue Tits

Breeding ecology of a critically endangered macaw

By Tom Lewis|2023-09-04T19:00:52+01:004 Sep 2023|birds of conservation concern, Breeding, breeding biology, breeding success, Conservation, early-career researcher, ecology, ECR, IBIS, Neotropics, nest predation, nesting, Psittaciformes, urbanization|

Combining nest-site selection and reproductive success to inform conservation

Fatal attraction or novel niche?

By Amber Swicegood|2023-05-23T12:46:18+01:0029 May 2023|adaptation, early-career researcher, ecology, ECR, Farmland birds, grassland birds, habitat degradation, habitat selection, nesting, passerines|

Adaptability of a grassland specialist facing landscape-level habitat change

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

Can nest reuse be risky?

By Thomas Mérő|2023-01-23T10:42:19+00:0023 Jan 2023|annual cycle, behaviour, Breeding, breeding biology, breeding success, brood parasitism, cavity nesting, fieldwork, fledglings, natural history, nest predation, nesting, nesting success, parasites, parasitism, passerines|

Rare observations of nest-reuse in an open-cup nesting European passerine

Selecting the best tree hole

By Jente Ottenburghs (he/him)|2022-11-09T16:01:12+00:0017 Nov 2022|bird communities, Breeding, cavity nesting, forest birds, nesting, reproduction|

How do birds decide on a cavity to nest in?