CACHINNANS

2cy cachinnans, Simrishamn, Sweden, 14 August 2006. Picture: Hans Larsson.

2cy cachinnans, August 2008, Riga, Latvia. Image: Chris Gibbins.

2cy cachinnans, Simrishamn, Sweden, 14 August 2006. Picture: Hans Larsson.

2cy cachinnans, Simrishamn, Sweden, 08 July 2008. Picture: Bengt Bengtsson.

ARMENICUS

2cy armenicus, 18 August 2010, Maagan Michael, Israel. Picture: Amir Ben Dov.

2cy armenicus, 22 July 2011, Maagan Michael, Israel. Picture: Amir Ben Dov.

MICHAHELLIS

2cy michahellis, Tarragona, Spain, 15 August 2009. Picture Chris Gibbins. Ringing data: green PDYZ ringed as pullus in 2008, Ebro Delta, Spain.

2cy michahellis, location, date, photographer.

LUSITANIUS

2cy lusitanius, location, date, photographer.

2cy lusitanius, location, date, photographer.

ATLANTIS

2cy atlantis, August 23 2010, São Miguel, Azores Islands. Picture: Richard Lowe.

2cy atlantis, August 23 2010, São Miguel, Azores Islands. Picture: Richard Lowe.

GRAELLSII

2cy graellsii, 29 August 2005, Westkapelle, the Netherlands. Picture: Pim Wolf.

2cy graellsii, 20 August 2012, Katwijk, the Netherlands. Picture: Mars Muusse.

2cy graellsii, 20 August 2012, Katwijk, the Netherlands. Picture: Mars Muusse.

2cy graellsii, 11 August 2010, Barneveld, the Netherlands. Picture: Maarten van Kleinwee. Ringed in N Germany.

INTERMEDIUS

2cy intermedius, Westkapelle, the Netherlands, 24 August 2010. Picture: Theo Muusse. Ringing data: JXR3, ringed as 1cy by late August at Vest-Agder, S Norway.

2cy intermedius, Skjolnes søppelplass, Farsund, Vest-Agder, Norway, August 21 2008. Picture: Finn Jørgensen. Ringing data: J55P, ringed as pullus on 15 July 2007 at Rauna, Farsund, Vest-Agder, Norway (58°03'33"N 006°40'10"E).

FUSCUS

2cy fuscus, July 15 2006. Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen. Ringing data: HT241088 ringed as pullus at Pälkäne on July 05 2005.

2cy fuscus, July 20 2007, Nokia Koukku dump Finland. Pictures: Hannu Koskinen. Ringing data: C68A ringed in Finland.

2cy fuscus, Stockholm, Sweden, 22 August 2009. Picture: Hans Larsson.

HEUGLINI

2cy heuglini, August 2008, Riga, Latvia. Image: Chris Gibbins.

2cy heuglini, July 12 2009, Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen.

2cy heuglini, July 18 2007, Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen.

2cy heuglini, July 18 2007, Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen.

2cy heuglini, August 2008, Riga, Latvia. Image: Chris Gibbins.

BARABENSIS

2cy barabensis, location, date, photographer.

2cy barabensis, location, date, photographer.

ARGENTEUS

2cy argenteus, IJmuiden, Netherlands, 10 August 2009. Picture: Mars Muusse. Ringing data: NLA 5.424.868 ringed at IJmuiden, the Netherlands.

2cy argenteus, Boulogne/Mer, France, 15 July 2009. Picture: Jean-Michel Sauvage. Ringing data: CPAX ringed as pullus at Zeebrugge, Belgium on 14 July 2008.

2cy argenteus, Boulogne/Mer, France, 22 August 2008. Picture: Jean-Michel Sauvage. Ringing data: GNAZ ringed as pullus at Oostende, Belgium, 13 July 2007.

2cy argenteus, Katwijk, Netherlands, 31 August 2011. Picture: Mars Muusse.

ARGENTATUS

2cy argentatus, Simrishamn, Sweden, 15 July 2009. Picture: Hans Larsson.

2cy argentatus, Simrishamn, Sweden, 14 July 2009. Picture: Hans Larsson.

MARINUS

2cy marinus, Boulogne-sur-Mer, France, 18 August 2010. Picture Jean-Michel Sauvage. Ringing data: 54D ringed as female pullus at Le Havre, France (29 N – 00 09 E) on 02 July 2008.

2cy marinus, Boulogne/Mer, France, 11 August 2003. Picture: Mars Muusse. Ringing data: NOS 360820, ringed as pullus on 05 July 2002 at Høgholmen, Lindesnes, Vest-Agder, Norway (58.00 N - 07.12 E).

2cy marinus, Simrishamn, Sweden, 12 August 2008. Picture: Hans Larsson.

2cy marinus, Simrishamn, Sweden, 14 August 2010. Picture: Hans Larsson.

2cy marinus, Simrishamn, Sweden, 11 August 2008. Picture: Hans Larsson.