Larus cachinnans

(last update: February 16, 2013)

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cachinnans plumages

1cy August
1cy September
1cy October
1cy November
1cy December

2cy January
2cy February
2cy March
2cy April
2cy May
2cy June
2cy July
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
adult June
adult July
adult August
adult September
adult October
adult November
adult December

Larus cachinnans 2cy-4cy PHHA January 2012 - February 2014, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer & Walther Leers.

Ringed yellow PHHA and metal DN27215, ringed as pullus on May 26 2011 at Kozielno Paczkow Opolskie Poland (50,48 19,97). Spent winter 2012 (January-March) and winter 2012-2013 (November-March) at this location.

below: cachinnans 2cy PHHA January 28 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

Many coverts included in post-juvenile moult.

below: cachinnans 2cy PHHA February 11 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Geoffrey Raison.

below: cachinnans 2cy PHHA February 07 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

Pale underwing.

below: cachinnans 2cy PHHA March 14 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

No tertials, but inner GC, inner MC, inner & central LLC and many LC included in post-juvenile moult.

below: cachinnans 2cy PHHA April 30 2012, Sambre - lock complex Malonne, Namur, Belgium.

Complete moult started, new feathers growing in, see MC.

below: cachinnans 2cy PHHA November 14 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

2W bird, with 2nd gen flight feathers. Note single white tail feather.

below: cachinnans 2cy PHHA November 23 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

2W bird, with 2nd gen flight feathers. Note single white tail feather.

below: cachinnans 2cy PHHA December 28 2012, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

2W bird. No complete grey saddle.

below: cachinnans 3cy PHHA January 10 2013, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

Chasing the Black-headeds, that's fun.

below: cachinnans 3cy PHHA January 16 2013, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

Note grey median coverts, replaced again in partial autumn moult.

below: cachinnans 3cy PHHA March 07 2013, Sambre - lock complex Malonne, Namur, Belgium. Picture: Walther Leers.

In many ways a classic 2W bird, but note absence of mirror on P10 (while this is rather common in this plumage in Caspian Gull). Scapular moult progresses at low pace.

below: cachinnans 3cy PHHA March 14 2013, Sambre - lock complex Malonne, Namur, Belgium. Picture: Alain de Broyer.

Note grey median coverts, replaced again in partial autumn moult.

below: cachinnans 3cy PHHA December 02 2013, Sambre - lock complex Malonne, Namur, Belgium. Picture: Walther Leers.

Now with large mirrors, and already deep tongue on P10; classic bird.

below: cachinnans 4cy PHHA January 07 2014, Sambre - lock complex Malonne, Namur, Belgium. Picture: Walther Leers.

Still present.

below: cachinnans 4cy PHHA February 17 2014, Mornomont Namur, Belgium. Picture: Walther Leers.

Large white primary tips and large mirror on P10. Still some immature coverts.