| Webs count for Holland Haven | |||||||||||
| Aug-05 | Sep-05 | Oct-05 | Nov-05 | Dec-05 | Jan-06 | Feb-06 | Mar-06 | Apr-06 | |||
| RED-THROATED DIVER | 3 | ||||||||||
| CORMORANT | 2 | 2 | 3 | 3 | 5 | 6 | 9 | ||||
| GREY HERON | 1 | 2 | 2 | 1 | |||||||
| MUTE SWAN | 2 | 1 | 1 | 2 | 1 | ||||||
| WHITE-FRONTED GOOSE | 6 | 1 | 17 | ||||||||
| GREYLAG GOOSE | 120 | 125 | 240 | 68 | 96 | 88 | 90 | ||||
| CANADA GOOSE | 2 | ||||||||||
| DARK-BELLIED BRENT GOOSE | 28 | ||||||||||
| FERAL/HYBRID GOOSE | 1 | 3 | 3 | 3 | 2 | 3 | |||||
| SHELDUCK | 4 | 1 | 7 | 15 | |||||||
| WIGEON | 2 | 85 | 160 | 315 | 650 | 1200 | 550 | 780 | |||
| TEAL | 75 | 60 | 75 | 280 | 185 | 530 | 35 | 19 | 14 | ||
| MALLARD | 120 | 70 | 30 | 48 | 27 | 45 | 15 | 25 | 13 | ||
| PINTAIL | 1 | ||||||||||
| SHOVELER | 1 | 4 | 12 | 15 | 4 | 3 | 3 | 3 | |||
| RED-BREASTED MERGANSER | 1 | ||||||||||
| MOORHEN | 18 | 8 | 9 | 7 | 9 | 7 | 10 | 8 | 13 | ||
| OYSTERCATCHER | 1 | 1 | |||||||||
| LITTLE RINGED PLOVER | 2 | ||||||||||
| RINGED PLOVER | 1 | 1 | 2 | ||||||||
| GOLDEN PLOVER | 3 | 80 | |||||||||
| LAPWING | 35 | 135 | 90 | 110 | 10 | 1 | 15 | 18 | 24 | ||
| KNOT | 1 | ||||||||||
| SANDERLING | 1 | 4 | 5 | ||||||||
| LITTLE STINT | 1 | 1 | |||||||||
| CURLEW SANDPIPER | 2 | ||||||||||
| DUNLIN | 1 | 1 | |||||||||
| RUFF | 4 | 10 | 2 | 3 | 2 | ||||||
| COMMON SNIPE | 20 | 20 | 26 | 6 | 1 | 2 | 3 | 2 | |||
| BLACK-TAILED GODWIT | 2 | 2 | 5 | 2 | 1 | 4 | 1 | ||||
| WHIMBREL | 1 | ||||||||||
| CURLEW | 5 | 1 | 36 | 50 | 23 | 4 | 28 | ||||
| REDSHANK | 1 | 1 | 4 | ||||||||
| TURNSTONE | 5 | 5 | 7 | 15 | |||||||
| BLACK-HEADED GULL | 200 | 350 | 330 | 91 | 35 | 95 | 200 | 200 | 90 | ||
| COMMON GULL | 4 | 1 | 2 | 1 | |||||||
| LESSER BLACK-BACKED GULL | 20 | 25 | 25 | 28 | 3 | 7 | 3 | 16 | |||
| HERRING GULL | 40 | 25 | 30 | 50 | 60 | 30 | 20 | 40 | 22 | ||
| GREAT BLACK-BACKED GULL | 5 | 4 | 1 | 1 | 2 | ||||||
| SANDWICH TERN | 2 | 1 | |||||||||
| COMMON TERN | 1 | ||||||||||
| GUILLEMOT | 1 | ||||||||||
