Atlas of nesting birds in Bulgaria

Caspian Gull

(Larus cachinans)

Category of conservation concern (IUCN, 2020) – Least Concern

Population size: 50 – 100 pairs

Distribution pattern

With limited distribution along the Danube. Currently, colonies of the species are found in Ruse and Silistra, but it is possible that they breed in other towns along the Danube.

Big size map

Breeding distribution 2013 – 2020 – The distribution and the estimation of the population size of the species for the period 2013 – 2020 is presented –

Comparative distribution of the species compared to the first breeding birds atlas (Iankov, 2007): Breeding locality until 2007 | Breeding locality until 2007, confirmed after 2015 – | New breeding locality after 2015. – The breeding localities after 2015 are identified on a base of raw data from


Breeds entirely in urban environments, building its nests on the roofs of tall buildings.

Trends in population changes for the period 2013-2020

Not analysed


Not analysed