Black-legged Kittiwake
- Group
- Birds
- Peak month
- June
- Records since 2000
- 94,955
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- Designations
- Convention on Migratory Species
Convention on Migratory Species
230 species
Water Rail
- Group
- Birds
- Peak month
- January
- Records since 2000
- 93,917
Pink-footed Goose
- Group
- Birds
- Peak month
- October
- Records since 2000
- 90,748
European Golden-Plover
- Group
- Birds
- Peak month
- October
- Records since 2000
- 89,058
Northern Pintail
- Group
- Birds
- Peak month
- January
- Records since 2000
- 88,832
Sandwich Tern
- Group
- Birds
- Peak month
- August
- Records since 2000
- 88,504
Brant
- Group
- Birds
- Peak month
- October
- Records since 2000
- 87,250
Common Eider
- Group
- Birds
- Peak month
- May
- Records since 2000
- 86,739
Common Greenshank
- Group
- Birds
- Peak month
- August
- Records since 2000
- 77,228
Corn Crake
- Group
- Birds
- Peak month
- June
- Records since 2000
- 76,750
Green Sandpiper
- Group
- Birds
- Peak month
- August
- Records since 2000
- 76,512
Peregrine Falcon
- Group
- Birds
- Peak month
- October
- Records since 2000
- 69,886
Ruff
- Group
- Birds
- Peak month
- September
- Records since 2000
- 67,669
Razorbill
- Group
- Birds
- Peak month
- June
- Records since 2000
- 66,509
Bar-tailed Godwit
- Group
- Birds
- Peak month
- September
- Records since 2000
- 65,771
Daubenton's Bat
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 65,340
Red-throated Loon
- Group
- Birds
- Peak month
- October
- Records since 2000
- 61,757
Eurasian Hobby
- Group
- Birds
- Peak month
- May
- Records since 2000
- 61,403
Black-bellied Plover
- Group
- Birds
- Peak month
- October
- Records since 2000
- 59,861
Red-breasted Merganser
- Group
- Birds
- Peak month
- January
- Records since 2000
- 59,855
Whimbrel
- Group
- Birds
- Peak month
- May
- Records since 2000
- 58,553
Common Scoter
- Group
- Birds
- Peak month
- October
- Records since 2000
- 57,365
Sanderling
- Group
- Birds
- Peak month
- September
- Records since 2000
- 56,821
Red Knot
- Group
- Birds
- Peak month
- September
- Records since 2000
- 53,928
Mandarin Duck
- Group
- Birds
- Peak month
- April
- Records since 2000
- 50,596
Barnacle Goose
- Group
- Birds
- Peak month
- October
- Records since 2000
- 47,758
Whooper Swan
- Group
- Birds
- Peak month
- October
- Records since 2000
- 45,803
Spotted Flycatcher
- Group
- Birds
- Peak month
- May
- Records since 2000
- 43,874
Atlantic Puffin
- Group
- Birds
- Peak month
- June
- Records since 2000
- 38,357
Eurasian Spoonbill
- Group
- Birds
- Peak month
- August
- Records since 2000
- 37,657
Arctic Tern
- Group
- Birds
- Peak month
- May
- Records since 2000
- 33,992
Common Loon
- Group
- Birds
- Peak month
- January
- Records since 2000
- 32,765
Great Bittern
- Group
- Birds
- Peak month
- May
- Records since 2000
- 30,985
Osprey
- Group
- Birds
- Peak month
- August
- Records since 2000
- 28,915
Great Skua
- Group
- Birds
- Peak month
- September
- Records since 2000
- 28,354
Spotted Redshank
- Group
- Birds
- Peak month
- September
- Records since 2000
- 28,229
Black Guillemot
- Group
- Birds
- Peak month
- May
- Records since 2000
- 27,934
Merlin
- Group
- Birds
- Peak month
- October
- Records since 2000
- 26,138
Eurasian Woodcock
- Group
- Birds
- Peak month
- January
- Records since 2000
- 23,674
Little Gull
- Group
- Birds
- Peak month
- April
- Records since 2000
- 23,156
Garganey
- Group
- Birds
- Peak month
- May
- Records since 2000
- 21,932
Red-crested Pochard
- Group
- Birds
- Peak month
- May
- Records since 2000
- 21,379
Little Tern
- Group
- Birds
- Peak month
- May
- Records since 2000
- 20,325
Long-tailed Duck
- Group
- Birds
- Peak month
- January
- Records since 2000
- 20,221
Lesser Horseshoe Bat
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 19,920
Greater Scaup
- Group
- Birds
- Peak month
- January
- Records since 2000
- 19,363
Purple Sandpiper
- Group
- Birds
- Peak month
- January
- Records since 2000
- 18,878
European Pied Flycatcher
- Group
- Birds
- Peak month
- May
- Records since 2000
- 18,794