20230606_1371
Northern Hawk-Owl (Høgeugle) - Surnia ulula ulula
20230606_1409
Northern Hawk-Owl (Høgeugle) - Surnia ulula ulula
20230606_1415
Northern Hawk-Owl (Høgeugle) - Surnia ulula ulula
20230606_1418
Northern Hawk-Owl (Høgeugle) - Surnia ulula ulula
20230607_0008
Mountain Hare (Snehare) - Lepus timidus
20230607_0009
Mountain Hare (Snehare) - Lepus timidus
20230607_0092
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_0108
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_0164
Willow Ptarmigan (Dalrype) - Lagopus lagopus lagopus
20230607_0181
European Golden Plover (Hjejle) - Pluvialis apricaria
20230607_0196
European Golden Plover (Hjejle) - Pluvialis apricaria
20230607_0206
European Golden Plover (Hjejle) - Pluvialis apricaria
20230607_0275
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0284
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0291
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0301
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0306
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0308
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0310
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0314
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0316
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0328
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0336
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0343
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0346
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0348
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_0370
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0398
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0413
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0475
European Golden Plover (Hjejle) - Pluvialis apricaria
20230607_0502
European Golden Plover (Hjejle) - Pluvialis apricaria
20230607_0541
Common Eider (Ederfugl) - Somateria mollissima mollissima
20230607_0581
Common Eider (Ederfugl) - Somateria mollissima mollissima
20230607_0592
Northern Dunlin (Almindelig Ryle) - Calidris alpina alpina
20230607_0693
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0697
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0797
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0860
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0878
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_0888
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_1183
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_1184
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_1190
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_1191
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_1194
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_1507
Red-throated Pipit (Rødstrubet Piber) - Anthus cervinus
20230607_1646
Red-throated Pipit (Rødstrubet Piber) - Anthus cervinus
20230607_1649
Red-throated Pipit (Rødstrubet Piber) - Anthus cervinus
20230607_1766
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_1767
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_1786
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_1821
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_1847
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_1857
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_1894
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_1946
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_1954
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_1970
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2005
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2028
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2032
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2040
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2104
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2139
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_2258
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_2316
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_2382
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_2387
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_2403
Redwing (Vindrossel) - Turdus iliacus iliacus
20230607_2404
Arctic Tern (Havterne) - Sterna paradisaea
20230607_2442
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_2445
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_2452
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_2455
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_2457
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_2459
Taiga Bean Goose (Tajgasædgås) - Anser fabalis
20230607_2466
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2468
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2469
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2470
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2471
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2550
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2557
Red-necked Phalarope (Odinshane) - Phalaropus lobatus
20230607_2709
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2723
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2737
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2791
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2812
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2814
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2836
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2838
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2839
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2843
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2848
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2849
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2896
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2902
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_2930
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_3023
Long-tailed Skua (Lille Kjove) - Stercorarius longicaudus
20230607_3100
Long-tailed Skua (Lille Kjove) - Stercorarius longicaudus
20230607_3160
Long-tailed Skua (Lille Kjove) - Stercorarius longicaudus
20230607_3192
Long-tailed Skua (Lille Kjove) - Stercorarius longicaudus
20230607_3233
Long-tailed Skua (Lille Kjove) - Stercorarius longicaudus
20230607_3244
Mountain Hare (Snehare) - Lepus timidus
20230607_3251
Mountain Hare (Snehare) - Lepus timidus
20230607_3258
Mountain Hare (Snehare) - Lepus timidus
20230607_3268
Mountain Hare (Snehare) - Lepus timidus
20230607_3284
Mountain Hare (Snehare) - Lepus timidus
20230607_3295
Mountain Hare (Snehare) - Lepus timidus
20230607_3304
Mountain Hare (Snehare) - Lepus timidus
20230607_3308
Mountain Hare (Snehare) - Lepus timidus
20230607_3335
Mountain Hare (Snehare) - Lepus timidus
20230607_3368
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3375
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3398
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3423
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3470
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3488
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3503
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3505
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3540
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3551
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3690
Red-throated Loon (Rødstrubet Lom) - Gavia stellata
20230607_3752
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_3763
Lapland Bunting (Lapværling) - Calcarius lapponicus
20230607_3777
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3806
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3814
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3815
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3818
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3819
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3822
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3828
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3846
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3847
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3849
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3850
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3851
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3852
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3855
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3856
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3857
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3858
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3861
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3862
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3864
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3865
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3882
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3884
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3887
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3889
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3901
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3912
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3913
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3916
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3931
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3942
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3954
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3973
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3977
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_3981
Arctic Skua (Almindelig Kjove) - Stercorarius parasiticus
20230607_4103
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4107
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4118
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4128
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4155
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4199
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4203
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4207
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4257
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4269
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4299
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4304
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4307
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_4360
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4371
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4374
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4382
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4386
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4397
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4399
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4410
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4491
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4503
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4561
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4578
Long-tailed Skua (Lille Kjove) - Stercorarius longicaudus
20230607_4647
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4686
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4746
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4752
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4760
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4780
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4783
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4800
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4816
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4840
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4886
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4923
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_4952
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5050
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5098
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5113
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5154
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5162
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5203
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5252
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5311
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5313
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5314
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5315
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5317
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5318
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5321
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5323
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5325
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5333
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5336
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5337
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5338
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5340
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5341
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5342
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5344
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5345
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5348
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5349
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5352
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5353
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5355
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5356
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5357
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5387
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5388
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5389
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5390
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5391
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5392
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5393
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5394
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5395
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5396
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5397
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5398
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5408
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5409
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5410
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5413
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5444
Eurasian Whimbrel (Småspove) - Numenius phaeopus phaeopus
20230607_5486
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5508
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5522
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5523
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5524
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5525
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5526
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5532
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5534
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5535
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5547
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5548
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5577
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5586
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5587
Bar-tailed Godwit (Lille Kobbersneppe) - Limosa lapponica lapponica
20230607_5610
Willow Ptarmigan (Dalrype) - Lagopus lagopus lagopus
20230607_5665
Willow Ptarmigan (Dalrype) - Lagopus lagopus lagopus