## British Birds, 2021, 114 (10) :
HOLT Ch., FRENCH P., RARITIES COMMITTEE, 2021.
Report on rare birds in Great Britain in 2020.
Brit. Birds, 114 (10) : 570-628.
EDDOWES M. J., LEA A. J., 2021.
A review of ‘wing-clapping’ in European Nightjars.
Brit. Birds, 114 (10) : 629-632.
VAN GROUW H., TOLKMITT D., BECKER D., WEIHE Fr., 2021.
Unusual phaeomelanised plumage: a review of similar cases in different species.
Brit. Birds, 114 (10) : 633-637.
DAVIES N., 2021.
Note: Male Dunnock kills the other male in a mating trio.
Brit. Birds, 114 (10) : 637.