Seabirds Archives - British Ornithologists' Union

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?

Do geolocators affect the survival of petrels?

By Jente Ottenburghs (he/him)|2023-09-17T12:45:57+00:0021 Sep 2023|adult survival, bio-logging, geolocator, gps tags, island birds, life history, mark‐recapture, Round Island petrel, Seabirds|

A long-term dataset of Trindade Petrels finds no clear effect.

What do Common Guillemot chicks eat?

By Jente Ottenburghs (he/him)|2023-08-19T13:02:45+00:0024 Aug 2023|diet composition, foraging, monitoring, nestling provisioning, parental care, predator-prey interactions, Seabirds|

Long-term study reveals a drastic change in diet.

Space-use of Northern Gannets

By Kyle d'Entremont|2023-08-07T20:38:56+00:0017 Aug 2023|behaviour, fisheries, foraging, movements, predator-prey interactions, Seabirds|

What can gannets tell us about their pelagic prey?

Being larger against all odds

By Alejandro Martínez Abraín|2023-08-10T08:27:16+00:003 Aug 2023|avian biology, demography, island birds, morphology, Seabirds|

Mediterranean Yellow-legged Gulls are larger and have longer wings than their Cantabrian-Atlantic conspecifics

Why do gulls steal from humans?

By Shubhi Raghav|2023-05-15T13:43:15+00:0011 May 2023|adaptation, anthropogenic food sources, behaviour, bird-human interactions, early-career researcher, ECR, foraging, kleptoparasitism, People, Seabirds|

What affects Herring Gull food stealing behaviour in towns?

A Fairy Tern tale

By Jente Ottenburghs (he/him)|2023-05-03T07:06:41+00:004 May 2023|Conservation, diversification, DNA sequencing, endangered, gene flow, genetic diversity, island birds, population divergence, Seabirds|

What is the genetic status of the New Zealand population?

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?

Are Sandwich Terns at risk of collision?

By Mark Collier|2023-02-08T12:26:34+00:0013 Feb 2023|behaviour, bird-human interactions, collision risk, fieldwork, flight, foraging, monitoring, mortality, renewable energy, Seabirds, wind farms|

Flight heights of Sandwich Terns higher than previous estimates

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?