Departure of Swifts

01 January 1945
Comments Main paper THE arrival and departure of migrants are usually recorded by the dates upon which the first and last birds are seen. The arrival date of the first bird of any migrant species is usually fairly close to the arrival of the main bulk of that species : even ...
Read More


01 November 1944
Comments Letters SIRS,--With reference to t h e note under this heading (antea, p. 53), I found a pair of Ravens breeding in a similar situation in mid-Wales during early April, 1929. The Raven's nest was situated in a tree about 30 yards from a rookery of eighteen nests....
Read More

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

Subscribe Now