BBRC has, for many years, published records of birds identified as belonging to a pair or group of rare species, where the taxa involved are species that would individually be considered by the Committee but are confusingly similar or difficult to separate, even when the observer has obtained excellent views and as detailed a description as is reasonable under field conditions. This short paper, w

...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now