Larus cachinnans

(last update: February 16, 2013)

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1cy August
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2cy January
2cy February
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2cy June
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2cy August
2cy September
2cy October
2cy November
2cy December

3cy January
3cy February
3cy March
3cy April
3cy May
3cy June
3cy July
3cy August
3cy September
3cy October
3cy November
3cy December

sub-adult January
sub-adult February
sub-adult March
sub-adult April
sub-adult May
sub-adult June
sub-adult July
sub-adult August
sub-adult September
sub-adult October
sub-adult November
sub-adult December

adult January
adult February
adult March
adult April
adult May
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adult July
adult August
adult September
adult October
adult November
adult December

Larus cachinnans 1CY-2CY PLG DN-27553 December 2011 - March 2012, Madrid, Spain & November 2012, Utrecht, the Netherlands.

PLG GDANSK DN 27553 metal ring.
Ringing data
Species: Caspian Gull colony (Larus cachinnans kolonia)
Sex, age: unknown, nestling
Status: not applicable (bird is a pullus)
Condition: [8] alive and probably healthy - observed or released by ringer
Date, time, accur.: 26/05/2011, 0:0, date accurate
Place: [PL OE] ZB.l<OZIELNO,PACZKOW, OPOLSKIE, POLAND
Coordinates: 50°29'00.0"; 16°58'00.0" (5048333300; 1686666700)
Accuracy of coord.: somewhere inthe circle with radius 5 km
Ringer: Jacek Betleja, Jakub Szymczak

Recovery data
Verification of ring: [0] ring not verified
Date, time, accur.: 09/O3/2012, 0:0, date accurate
Place: [ES 53] Vertedero de Pinto, Madrid, MADRID, SPAIN
Coordinates: 40°15'41.6"; -3°38'00.9" (4026155600; -363358300)
Accuracy of coord.; accurate to the given coordinates
Species: Caspian Gull (Larus cachinnans)
Sex, age: 2CY,
Status:
Condition: [7] alive and probably healthy - observed or released
Circumstances: [28] ring number of metal ring read
Finder: Javier Marchamalo, Delfin Gonzalez
Distance: 1958 km, Direction: 242°, Elapsed time: 288 days

Ringed as pullus on May 26 2011 at Kozielno Paczkow Opolskie, Poland. Ringed as pullus in a mixed colony, could turn out to be a hybrid between cachinnans x argentatus.

below: cachinnans 1CY PLG DN-27553 December 30 2011, Landfill VRSU de Colmenar Viejo, Madrid. Picture: Delfín González.

No tertials, but several inner wing-coverts have been included in post-juvenile moult last autumn. Brown underwing.

below: cachinnans 2CY PLG DN-27553 January 22 2012, Landfill VRSU de Colmenar Viejo, Madrid. Picture: Delfín González.

below: cachinnans 2CY PLG DN-27553 March 04 2011, Landfill VRSU de Colmenar Viejo, Madrid. Picture: Delfín González.

below: cachinnans 2CY PLG DN-27553November 20 2012, Utrecht, the Netherlands. Picture: Herman Bouman.

2nd gen flight feathers. Note palish iris, angular head and strong gonys angle.