Estimating the number of the breeding birds on the Normerven (27-05-2004)
The Normerven
Total number of nests:
Black-headed gull
3073
Common tern
188
Avocet
48
Oystercatcher
6
Mediterranean gull
2
Gadwall
2
Mallard
1
Meadow pipet
1
People that counted:
Leon Kelder
Wim Tijsen
Simone
Frank
Nest
Black-headed gull
Common tern
Avocet
Mediterranean gull
Oystercatcher
Gadwall
Egg/Young
Black-headed gull
Common tern
Avocet
Mediterranean gull
Young
Black-headed gull
Common tern
Avocet
Mediterranean gull
Young
Black-headed gull
Common tern
Avocet
Mediterranean gull
