Little Tern

Yellow ring with a black 3 alpha code (on left tarsus) and metal ring (on right tarsus)

note 1 : codes starting with "A"

note 2 : birds ringed on Isle of Man, UK.

note 3 :

Colour-dyed and legrings (dark-green over yellow) on right tarsus.

note 1 : some 200 ad. birds have been dyed in spring '97. 

note 2 : scheme no longer active but birds with these rings are still occasionally seen.

Combination of rings (red over green) (on right leg) and metal ring (on left leg).

note 1: this study hopes to monitor the breeding population of the colony of terns which breeds on the Chesil Beach in West Dorset, UK. The scheme started in 1999. After tree years of failure, during 2010 again some birds were ringed.

Single orange or yellow ring (on either tarsus) and metal ring (on other leg).

note 1 : birds ringed in Norfolk, England.

Single striped ring (on either tarsus) and metal ring (on other leg).

note 1 : birds ringed in Norfolk, England up until 2008

note 2 : combination of stripes determines year of ringing : Orange/brown striped ring (on right leg) and BTO-Metal ring (on left leg).
chicks/birds ringed in 2007 : Orange/black striped ring (on leg) and metal ring (on right leg).
in 2006 the c-ring was put on the left leg for adults (5 birds ringed) and on the right leg for pulli (195 birds ringed).

Yellow/black striped ring (on left leg) and metal ring (on right leg).
in 2004 8 adults were ringed, no chicks were ringed.

Orange/light-blue striped ring (on right leg) and metal ring (on left leg).
during 2001, 149 chicks have been ringed at Gt Yarmouth, Norfolk, England.

Orange/white stripe (on left leg) ; BTO metal ring (on right leg).
9 adults ringed in 2005.

Orange/white stripe (on right leg) ; BTO metal ring (on left leg).
 

Combination of :
​* c-ring and a metal ring (on right tarsus)
​* 2 c-rings (left tarsus).

note 1 : ringed birds are adult.

note 2 : yellow, white, black, green and light-blue.

note 3 : 

White ring with black 3 alpha-numeric code (on left tarsus).

note 1 :

White ring with black 2 alpha code (on left tarsus).

note 1 :

Dark-blue ring with a white two alpha-code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK, South Gare, Crimdon Beach, Seaton Carew, Cleveland.

Combination of two c-rings and metal ring.

note 1 : c-rings are on left tarsus and metal ring on right tarsus.
note 2 : used colour-combinations are :
dark-blue/red in 2009.
dark-blue/white in 2009.
dark-green/red in 2010.
red/dark-blue in 2010.
red/white in 2010.
dark-blue/dark-green in 2011.
dark-green/white in 2011.
dark-green/light-pink in 2011.