stable isotopes Archives - British Ornithologists' Union

Picky penguins

By Ashleigh Marshall|2025-05-29T09:42:06+00:0029 May 2025|bio-logging, carbon, climate change, foraging, generalist, gps tags, isotopes, nitrogen, Southern Ocean, stable isotopes|

King Penguins seldom adjust their diet even in highly variable foraging conditions

Bad blood?

By Ashleigh Marshall|2024-10-31T03:40:10+00:0031 Oct 2024|anticoagulant, Bayesian modelling, blood sampling, carbon, diet, isotopes, Larids, nitrogen, plasma, stable isotopes, sulphur|

The anticoagulant sodium heparin may impact results of stable isotopic analyses

Sink or swim: Competition at sea

By Ashleigh Marshall|2024-08-08T23:52:48+00:008 Aug 2024|diet, foraging, habitat, interspeciﬁc interactions, niche overlap, stable isotopes, trophic ecology|

Foraging niche segregation between critically endangered and abundant diving petrels in Aotearoa

Where do Barbary Reed Warblers overwinter?

By Frédéric Jiguet|2022-11-07T15:06:03+00:0014 Nov 2022|adult survival, Africa, bio-logging, distribution, geolocator, IBIS, migrant, Migration, movement, movements, non-breeding ecology, overwintering, passerines, population dynamics, ringing, stable isotopes, tracking|

Geolocators and stable isotopes reveal the African wintering grounds of this long-hidden European species

Competition for food in artificial mixed colonies

By João Gameiro|2022-04-15T11:26:17+00:0018 Apr 2022|adaptation, bird assemblages, bird communities, communal, community ecology, diet, early career, early-career researcher, ecology, ECR, fieldwork, IBIS, nest monitoring, nesting, nestlings, niche overlap, population structure, stable isotopes|

Do birds in artificial mixed colonies overlap in their diet?

Desert birds don’t wait for rain

By Amanda Bourne|2021-07-08T14:36:58+00:0012 Jul 2021|behaviour, BOU-funded, breeding biology, cooperative breeding, diet, diet composition, foraging, stable isotopes|

Southern Pied Babblers in the Kalahari start breeding before rainfall

Gull’s family dinner

By Rosemarie Kentie|2021-06-19T21:21:11+00:0028 Jun 2021|foraging, Seabirds, stable isotopes|

Do parents of Lesser Black-backed and Herring Gulls adapt their foraging behaviour to their chicks’ needs?

What’s on the menu?

By Inês Catry|2020-10-08T13:00:37+00:0023 Sep 2019|cameras, diet, diet composition, stable isotopes|

Investigating sexual and parent-offspring dietary segregation in the European Roller

Photographing gull eggs

By Nina O'Hanlon|2020-12-15T17:44:40+00:001 Jul 2019|Conservation, diet, eggs, Seabirds, stable isotopes|

How resource use can affect egg traits in Herring Gulls

The elusive migration of rails

By Auriel Fournier|2021-05-19T08:51:32+00:0030 Oct 2017|marsh birds, Migration, monitoring, stable isotopes|

How does the migratory connectivity of secretive species differ?