Curlew Sandpiper
- Group
- Birds
- Peak month
- September
- Records since 2000
- 16,711
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- Convention on Migratory Species
Convention on Migratory Species
230 species
Greater White-fronted Goose
- Group
- Birds
- Peak month
- January
- Records since 2000
- 16,291
Little Stint
- Group
- Birds
- Peak month
- September
- Records since 2000
- 15,586
Grey seal
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 15,095
Hen Harrier
- Group
- Birds
- Peak month
- January
- Records since 2000
- 14,659
Wood Sandpiper
- Group
- Birds
- Peak month
- August
- Records since 2000
- 13,506
Natterer's Bat
- Group
- Mammals
- Peak month
- February
- Records since 2000
- 13,257
Horned Grebe
- Group
- Birds
- Peak month
- January
- Records since 2000
- 13,082
Harbor seal
- Group
- Mammals
- Peak month
- July
- Records since 2000
- 12,641
Jack Snipe
- Group
- Birds
- Peak month
- October
- Records since 2000
- 12,579
Common long-eared bat
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 12,493
Noctule Bat
- Group
- Mammals
- Peak month
- July
- Records since 2000
- 12,276
White-winged Scoter
- Group
- Birds
- Peak month
- January
- Records since 2000
- 11,818
Eared Grebe
- Group
- Birds
- Peak month
- January
- Records since 2000
- 11,738
White-tailed Eagle
- Group
- Birds
- Peak month
- August
- Records since 2000
- 11,717
Smew
- Group
- Birds
- Peak month
- January
- Records since 2000
- 11,187
Ruddy Duck
- Group
- Birds
- Peak month
- January
- Records since 2000
- 10,294
Black Tern
- Group
- Birds
- Peak month
- September
- Records since 2000
- 10,051
Tundra Swan
- Group
- Birds
- Peak month
- January
- Records since 2000
- 9,716
Glossy Ibis
- Group
- Birds
- Peak month
- September
- Records since 2000
- 9,557
Arctic/Pacific Loon
- Group
- Birds
- Peak month
- January
- Records since 2000
- 9,541
Iceland Gull
- Group
- Birds
- Peak month
- January
- Records since 2000
- 6,693
Red-necked Grebe
- Group
- Birds
- Peak month
- January
- Records since 2000
- 6,573
Harbor porpoise
- Group
- Mammals
- Peak month
- July
- Records since 2000
- 6,518
Greater horseshoe bat
- Group
- Mammals
- Peak month
- February
- Records since 2000
- 6,208
Ring-necked Duck
- Group
- Birds
- Peak month
- January
- Records since 2000
- 5,556
Glaucous Gull
- Group
- Birds
- Peak month
- January
- Records since 2000
- 5,212
Eurasian Thick-knee
- Group
- Birds
- Peak month
- May
- Records since 2000
- 4,970
Lesser noctule
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 4,848
Pectoral Sandpiper
- Group
- Birds
- Peak month
- September
- Records since 2000
- 4,746
Roseate Tern
- Group
- Birds
- Peak month
- July
- Records since 2000
- 4,046
Ruddy Shelduck
- Group
- Birds
- Peak month
- August
- Records since 2000
- 3,953
Red Phalarope
- Group
- Birds
- Peak month
- September
- Records since 2000
- 3,944
White Stork
- Group
- Birds
- Peak month
- May
- Records since 2000
- 3,594
Temminck's Stint
- Group
- Birds
- Peak month
- May
- Records since 2000
- 3,040
Lesser Yellowlegs
- Group
- Birds
- Peak month
- October
- Records since 2000
- 2,959
Snow/Ross's Goose
- Group
- Birds
- Peak month
- January
- Records since 2000
- 2,808
Long-billed Dowitcher
- Group
- Birds
- Peak month
- October
- Records since 2000
- 2,603
Dovekie
- Group
- Birds
- Peak month
- November
- Records since 2000
- 2,594
American Wigeon
- Group
- Birds
- Peak month
- January
- Records since 2000
- 2,340
Sabine's Gull
- Group
- Birds
- Peak month
- September
- Records since 2000
- 2,159
Ferruginous Duck
- Group
- Birds
- Peak month
- January
- Records since 2000
- 2,039
Surf Scoter
- Group
- Birds
- Peak month
- January
- Records since 2000
- 2,003
Long-tailed Jaeger
- Group
- Birds
- Peak month
- September
- Records since 2000
- 2,000
Red-necked Phalarope
- Group
- Birds
- Peak month
- September
- Records since 2000
- 1,950
Red-breasted Goose
- Group
- Birds
- Peak month
- February
- Records since 2000
- 1,944
Red-footed Falcon
- Group
- Birds
- Peak month
- May
- Records since 2000
- 1,755
Short-beaked common dolphin
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 1,652