Background Birds that forage while covering distance during migration should adjust
traveling behaviors as the availability of foraging habitat changes. Particularly, the behavior …

Light‐level geolocators were used to record the annual migration cycles of black terns
Chlidonias niger (9 individuals, 11 journeys) and common terns Sterna hirundo (7 …

We investigated the non-breeding movements and distribution of West African Crested terns
(Thalasseus albididorsalis) breeding in one of the largest colonies of the species, in Guinea …

Assessing at-sea distributions and behaviour of seabirds to identify critical foraging sites and
spatial overlap with potential threats is a major step for delineating conservation guidelines …

Highlights•We studied wind support over an ecological barrier for age groups of a migratory
bird.•Adults and subadults had similar air-to-groundspeed ratios only in autumn.•Subadult …

A wide variety of attachment techniques have been used to track birds with electronic tags,
with glue, tape, leg rings, neck collars and harnesses being the most common methods. In …

Vi presenterar skyddsåtgärder som vidtagits som en del av åtgärdsprogrammet” Projekt
Skräntärna” under perioden 2007–2020 i Sveriges största koloni, Stenarna i Björns …

The migratory pathways of Greater Crested Terns Thalasseus bergii in the East Asian-
Australasian Flyway are poorly known. We tracked three birds by deploying GPS/GSM …

Black-fronted terns/Tarapirohe (Chlidonias albostriatus) are endemic to New Zealand,
where they are currently listed as a nationally endangered species due to their small and …

This is the 85th annual report of the British Trust for Ornithology's Ringing Scheme,
incorporating the report of the Nest Record Scheme and covering work carried out and data …