Colour scheme for Twite study in NW England co-ordinated by Dave Sowter
Left tarsus - up = ringing site
K - pink = Light Hazzles
L - grass green = Ribble Estuary
P- pale blue = Heysham, N Lancs
R - red = Cant Clough
S - grey = Donna Nook
Y - Yellow = S.Cumbria
W - White = E.Anglia
Left tarsus - down = time
Y - yellow 2002 - June 2003
B/O - blue/orange July - Dec 2003
O/B - orange/blue Jan - June 2004
N/W - black/ wh July - Dec 2004
W/N - white/ black, Jan - June 2005
W/O - white/ orange July - Dec 2005
O/W - orange/white Jan - June 2006
B/Y - blue/yellow July - Dec 2006
Y/B - yellow/blue Jan - July 2007
PLUS
For a limited number of birds each season a colour ring has been added to enable individual birds to be identified by field sightings.
One of 95 twite ringed at Millom, Cumbria in the autumn of 2003.
Code = Left BelowY,B,O. Right BTO Metal
Left tarsus - 2 rings used.
One for site and one for nest.
These rings may be in any combination on the left leg.
Right tarsus = BTO metal
Plus
A colour ring, usually above the metal ring, to identify an individual nestling.
Colours used for breeding sites
Red = Worsthorne, E. Lancs
White= Rishworth Moor
Orange = Withins Clough,
Blue/Yellow = Buckstones
Green = Lumbutts
Blue = Midgley
Nestling ringed at Rishworth Moor
Identified as BTO R547869 by rings.
Code = Left W,K. Right Below L,M
