Black Grouse: England's Last Stronghold Sits on the Edge of Keepered Moors
In summary
Almost 90% of black grouse in one North Pennines study occurred on grouse moor margins.
Displaying males in northern England rose from 773 in 1998 to 1,437 by 2014.
Reduced sheep grazing on moorland fringe improved breeding success and stabilised lek numbers.
Birds from the Pennines have now bred on the North York Moors for the first time since the 1840s.
Before dawn in April, on a rough patch of ground where the heather runs out and the in-bye fields begin, male black grouse gather to display. They fan lyre-shaped tails, flash white undertail feathers, and produce a bubbling call that carries a long way across open country.
This gathering is called a lek, and the birds return to the same spots year after year.
In England, almost all of these leks are now in one place: the North Pennines. And nearly all of them sit on the fringes of moors managed for red grouse.
Where England's black grouse actually are
The link between black grouse and keepered ground in England shows up plainly in the survey data.
Research in the North Pennines found that almost 90% of black grouse in the study area occurred on the margins of grouse moors, where gamekeepers are employed to control predators.
By the 2000s the remaining English population, then around 1,000 males, was chiefly restricted to the fringes of managed grouse moors in the Pennine hills.
For a bird that once ranged across much of Britain, that is a dramatic contraction. It also tells you something useful about which land has held onto them.
A bird of the edge, not the open moor
Black grouse are often lumped in with red grouse, but they use the hill very differently. They are birds of the transition zone, the messy ground where moorland meets rough pasture, scattered scrub and woodland edge.
Their year depends on that variety:
Winter: heather and bilberry shoots on the open moor, and when snow covers the ground, the buds and berries of rowan and other trees.
Spring: tree buds and fresh growth, with males gathering at traditional lek sites.
Summer: nesting on open ground, with chicks foraging for insects among grasses and dwarf shrubs.
Chick survival is the pinch point. Black grouse chicks need invertebrates in their first weeks, and research comparing the North Pennines with the Scottish Highlands found that invertebrate availability is closely tied to how the fringe is grazed.
What turned the decline around
The North Pennines recovery was deliberate, and the numbers behind it are worth setting out. Displaying males in northern England rose from 773 in 1998 to 1,029 in 2006, and to 1,437 by 2014.
Three things drove it, and it is worth being clear that they worked together rather than any one doing the job alone.
Grazing reductions on the fringe. Monitoring at 20 moorland and moorland-fringe sites in northern England between 1997 and 2000 compared ten sites where agri-environment agreements cut summer stocking roughly two-fold to 1.1 sheep per hectare, and winter stocking three-fold to 0.5 per hectare. Numbers of displaying males held steady at the low-grazing sites but fell by 7% a year where grazing stayed higher. More broods were reared where grazing was restricted.
Predator control. Black grouse nest on the ground, and predation of eggs and small chicks accounts for most breeding failures. Work on grazing and predator management established the link between both factors and black grouse breeding success. On keepered ground, foxes and crows are controlled year-round for the benefit of red grouse, and ground-nesting black grouse sit inside that same protection.
Restraint from shooting. Black grouse are a legal quarry species. In practice, most grouse moor managers stopped shooting them well over a decade ago while numbers recovered, with some estates imposing fines if a black grouse is shot by mistake for a red grouse.
It is a voluntary decision by land managers to forgo a shootable bird, sustained over many years, and it is a large part of why the population had room to grow.
Moving beyond one valley
A population concentrated in a single area is a fragile one. Since 2023, birds have been translocated from the North Pennines to the North York Moors under a project run by the Game and Wildlife Conservation Trust and funded through Natural England's Species Recovery Programme, working directly with the keepers there. In 2025 black grouse bred on the North York Moors for the first time since the 1840s.
The translocation approach itself has a research basis: earlier trials showed that males moved into formerly occupied ground will settle and establish leks, and that females can be moved to join them.
Why this matters
Black grouse show what happens when keepered ground, targeted habitat work and voluntary restraint from land managers pull in the same direction: a bird that had nearly gone from England is displaying at dawn on moors where it had been absent for 180 years.
