Capercaillie and black grouse leks in the eastern forests

Capercaillie (Tetrao urogallus), black grouse (Lyrurus tetrix), hazel grouse; owls (Tengmalm's, pygmy, great grey in vole years). Finnskogen (Innlandet), Trysil / Østerdalen, Trillemarka, Norway.
Best time: 15 Apr – 5 May (April to May). Where: Finnskogen (Svullrya – Grue), Trysil forests, Trillemarka–Rollagsfjell nature reserve (Norway). Time of day: Enter the hide the evening before: capercaillie sing from about 03:30 to 06:00 (roughly 90 min before sunrise to an hour after), black grouse until about 07:00.
- Partly on your own
- Free
- Binoculars helpful
- Sound 4/5
Open it in the interactive calendarSunrise and sunset listening times for the day you pick, and the map.
When is the best time?
Peak: 15 Apr – 5 May. Mid April to early May
Active from 1 Apr to 20 May (April to May) in a typical year.
Time of day
Enter the hide the evening before: capercaillie sing from about 03:30 to 06:00 (roughly 90 min before sunrise to an hour after), black grouse until about 07:00.
- Dawn lek: 100 min before sunrise → 90 min after sunrise
What will you hear?
Capercaillie's clicking, cork-pop and grinding song from pine bog edges, wing-beats of cocks flying in, black grouse bubbling on the open bogs; cranes, whooper swans and Tengmalm's owl in the same nights.
Binoculars?
Binoculars helpful. From a hide entered the night before the cocks display at 20–50 m; binoculars help in the half-light.
Where to go
- Finnskogen (Svullrya – Grue) — Vast pine-spruce forest on the Swedish border; local nature guides run photo hides at leks. Map
- Trysil forests — Well-known capercaillie country; hunting-based landowners know the leks; some offer hides. Map
- Trillemarka–Rollagsfjell nature reserve — Old-growth spruce reserve with grouse and owls; trails only inside the reserve. Map
How to go on your own, and what it costs
Leks are on public or private forest land under allemannsretten, but you will flush one before you find it: ask a local nature guide in Finnskogen or Trysil for a hide session (enter the evening before), or at least for a forest road to listen from at dawn. Trillemarka: trails only. Skis or snowshoes in April.
Cost: Free from forest roads; local guided hide sessions (check current prices).
Free or no-guide alternative: Free: choose a forest road in Finnskogen or Trysil that a local has pointed you to, walk in at 03:00 in April and listen from the road edge at 200 m — no searching, no torch.
Field-recording notes
Norway allows much more than Germany: leks are not secret, guided hide sessions exist, and the lek itself is not fenced. But the Nature Diversity Act still prohibits unnecessary disturbance, and Norwegian practice is to enter the hide the evening before and leave after the birds. Ask a local guide (Finnskogen has several) rather than searching — you will flush a lek before you find it. Snow in April: skis or snowshoes, and -10 °C at 04:00. No traffic, no aircraft; the recorder self-noise is your limit. No playback.
Sources
Similar spectacles
Capercaillie and black grouse — the ones you do not visitThe capercaillie's accelerating clicks, 'cork-pop' and grinding — a very quiet song (audible to ~200 m) that is almost never recorded in Germany without a permit. Black grouse bubbling in the Alps.
Black grouse leksBubbling 'rookooing' from displaying males, hissing 'tchu-wee' sneezes and flutter jumps; curlew and snipe often in the same soundscape.
Black grouse leks in the AlpsBubbling 'rookooing' and hissing from males on snow patches at the treeline, ring ouzels, water pipits, and meltwater.
Black grouse leks in the Alps and JuraBubbling 'rookooing' rolling across a snow-patched alpine meadow from several cocks, sneezing 'tchu-shwee' hisses, wing-flutter jumps; ring ouzel and water pipit around them; cowbells not yet arrived.
Black grouse leks above the treelineBubbling 'rookooing' and explosive hisses from several cocks on a snow-patched clearing, wing-flutter jumps, ring ouzel and ptarmigan croaks; cowbells arrive later in the season.
Black grouse leks above the treelineBubbling 'rookooing' and explosive hissing from several cocks at once on a snow-patched clearing, ring ouzel and water pipit around them; capercaillie 'cork-pop' song from the forest edge in the same weeks.
More: all spectacles in Norway · black grouse leks · capercaillie · leks · Norway in April · Norway in May