Black-headed Gull Map

Sightings and Recoveries

This map is provided using Google maps and you can zoom in, move around and switch between maps and satellite photos. Click on icons for details of birds

Reading and Basingstoke Ringing Google Map

KEY

 

Age Codes

White

Ringing location

 

1

pullus (nestling or chick)

Gold 

1st Autumn (Jun-Oct)

 

2

fully grown, year of hatching unknown

Turquoise 

1st Winter (Nov-Mar)

 

3

hatched during current calendar year

Rose 

1st Summer (Apr-Jul)

 

4

hatched before current calendar year

Orange 

2nd Autumn (Aug-Oct)

 

5

hatched during previous calendar year

LBlue 

2nd Winter (Nov-Mar)

 

6

hatched more than 1 calendar years before

Pink 

2nd Summer (Apr-Jul)

 

7

definitely hatched 2 calendar years before

Brown

3rd Autumn (Aug-Oct)

 

8

hatched more than 2 calendar years before

Green 

3rd Winter (Nov-Mar)

 

9

definitely hatched 3 years before

Red 

Adult Summer (Apr-Jul)

 

10

hatched more than 3 calendar years before

Black

Adult Autumn (Aug-Oct)

 

11

definitely hatched 4 years before

DBlue

Adult Winter (Nov-Mar)

 

12

hatched more than 4 calendar years before

Lines are drawn between consecutive records and are the colour of the end record.

 

 

 

 

 

 

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