The posture Caspian Gull (Larus cachinnans) frequently adopts during its long call, with wings raised and head held vertical, has been described as diagnostic for the species (Klein & Buchheim, Limicola 17, 21-26, 2003; Gibbins, …
Continue readingLeander Khil's not so orderly blog on noteworthy bird observations
The posture Caspian Gull (Larus cachinnans) frequently adopts during its long call, with wings raised and head held vertical, has been described as diagnostic for the species (Klein & Buchheim, Limicola 17, 21-26, 2003; Gibbins, …
Continue reading