annual cycle Archives - British Ornithologists' Union

Armed Conflicts and Raptors

By Charlie Russell|2024-07-01T10:16:47+00:0027 May 2024|annual cycle, antipredator behaviour, behaviour, bird movements, bird-human interactions, birds of conservation concern, birds of prey, Migration, migration stopover, movements, satellite tracking, war|

How were Greater Spotted Eagles affected by the conflict in Ukraine?

Travel wide, breed hard and die young

By John Calladine|2024-04-26T14:25:38+00:001 Apr 2024|annual cycle, behaviour, bird movements, birds of conservation concern, birds of prey, Migration, migration stopover, movements, satellite tracking|

While this might well describe some hedonistic lifestyle of a 1970s rock star, it is also a neat summary of the life history strategy for Short-eared Owls.

The first migration of Icelandic Whimbrel

By Camilo Carneiro|2023-11-06T09:02:38+00:006 Nov 2023|annual cycle, behaviour, bird movements, creative writing, gps tags, Migration|

How do 60 day old whimbrels reach their wintering sites?

The call of the Striped Cuckoo

By Jente Ottenburghs (he/him)|2023-10-27T13:57:52+00:002 Nov 2023|acoustic monitoring, annual cycle, behaviour, breeding biology, Cuckoos, mate selection, passive acoustic monitoring, song, vocalisations|

This species uses two vocalisations for different purposes.

Why do birds get smaller?

By Laura Bosco|2023-10-22T20:15:32+00:0023 Oct 2023|adaptation, annual cycle, antipredator behaviour, avian biology, citizen science, climate, climate change, monitoring, morphology, non-breeding ecology, volunteering, weather|

How long-term winter bird ringing unravels body size shrinking in response to climate change

The rise and fall of pelican populations

By Jente Ottenburghs (he/him)|2023-10-08T13:13:00+00:0019 Oct 2023|annual cycle, demography, foraging, monitoring, non-breeding ecology, population recovery, Seabirds, weather|

What factors explain the population trajectories of Brown Pelicans?

Keeping migratory connectivity simple

By Will Cresswell|2023-10-12T10:41:45+00:002 Oct 2023|annual cycle, bird movements, climate change, collection bias, distribution, migratory connectivity, satellite tracking|

How can we compare migratory connectivity easily across species?

Autumn-sown crops contribute to Mute Swan recovery

By Tiffany Ki|2023-10-12T10:46:56+00:0011 Sep 2023|agriculture, annual cycle, anthropogenic food sources, diet, early-career researcher, ecology, ECR, land management, lead poisoning, legislation, monitoring, provisioning, wintering|

Using spatial and temporal variation to understand drivers of change

Seeking shelter under the snow

By Amy Shipley|2023-04-17T17:37:08+00:0017 Apr 2023|adaptation, adult survival, annual cycle, behaviour, bio-logging, bird movements, climate, climate change, early-career researcher, ecology, ECR, game bird, habitat selection, IBIS, non-breeding ecology, overwintering, temperature, thermal stress, winter|

The benefits of snow burrowing for a winter-adapted bird

No parental supervision required

By Jente Ottenburghs (he/him)|2023-02-16T15:17:35+00:0023 Feb 2023|annual cycle, bio-logging, fledglings, Genetics, Migration, movement, overwintering, Seabirds, tracking|

How do Manx Shearwaters develop their migration routes?