Heermann's Gull heermannii

(last update: 23-01-2018 )

Coordinators:
John Cant
Mars Muusse

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1cy June
1cy July
1cy Aug
1cy Sept
1cy Oct
1cy Nov
1cy Dec

2cy Jan
2cy Feb
2cy March
2cy April
2cy May
2cy June
2cy July
2cy Aug
2cy Sept
2cy Oct
2cy Nov
2cy Dec

3cy Jan
3cy Feb
3cy March
3cy April
3cy May
3cy June
3cy July
3cy Aug
3cy Sept
3cy Oct
3cy Nov
3cy Dec

adult Jan
adult Feb
adult March
adult April
adult May
adult June
adult July
adult Aug
adult Sept
adult Oct
adult Nov
adult Dec

1st > 2nd cycle (2CY): June

By June these 2CY birds have started the PB2 moult (complete moult in summer from April - August), Outer primaries still old juvenile in most birds, with inner primaries being replaced.
Old juvenile feathers are very worn and bleached by June.

 Heermann's Gull heermannii 2nd cycle (2CY), June 04 2015, Half Moon Bay, California USA. Picture: Alvaro Jaramillo.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 16 2018, Pismo Beach, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 14 2018, Pismo Beach, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 14 2018, Pismo Beach, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 16 2018, Pismo Beach, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 24 2018, San Luis Obispo, California USA. Picture: Alex Abela.
Heermann's Gull heermannii PB2 moult (2CY), June 16 2018, Pismo Beach, California USA. Picture: Alex Abela.
Heermann's Gull heermannii 2nd cycle (2CY), June 24 2017, Half Moon Bay, California USA. Picture: Malia Kai De Felice.