Study could shed light on declines in red grouse populations, experts say

Conservationists are hoping a study will shed light on why red grouse populations have declined in recent years (Owen Humphreys/PA) - (PA Archive)

A new study could shed light on why red grouse populations in Scotland have declined over recent years, conservationists have said.

Populations of the distinctive upland bird have seen a series of sharp declines over the last 10 years.