Nest-Sanitation and Fledging of the Green Woodpecker
01 January 1956
THERE is considerable conflict in the accounts of nest-sanitation by the Green Woodpecker (Picus viridis). Owen (1921) w r i t e s : " F r o m . n e s t s I have opened from time to time after the young have flown, it seems that generally the nest is kept...