Larus cachinnans

(last update: February 16, 2013)

Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)


cachinnans plumages

Larus (cachinnans) mongolicus AN16 adult, June 2013, Mongolia. Picture: Andreas Buchheim.

Please visit Birding Mongolia Blog for many more images!

Adult bird, trapped in NE Mongolia. Mongolicus adult AN16.

Wingtip: White mirror separated from white tip, by thin but full sub-terminal black band. Medium pale tongue on P10, leaving broad medial band (medial band broaderthan length of mirror+tip). Mirror on both webs of P9. Full band on P5 and spot on outerweb of P4. No 'white moons', no white tongue tips on P6-P8. Moult score: P1-P10 present, PMS=0.