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Notes on the breeding habits of the Swift

01 February 1951 Comments Main paper DURING the years 1944-1949 some 250 visits were made to the tower of S S . Philip and James Church, Ilfracombe, Devon, in order to study the breeding habits of the Swift (Apus apus). These visits were made at hours ranging from 6.00 to 24.00, B.S.T. The n...

Notes

01 September 1949 Comments Notes ...

Simultaneous Watch for migrant Swifts, May 11th, 1947

01 May 1948 Comments Main paper IN the spring of 1947 the British Trust for Ornithology invited as many as possible of its members and others interested to undertake a simultaneous watch of the movements of Swifts (Apus a. apus) on a pre-selected day--May n t h , 1947.Five similar watch...

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 ...

Notes

01 November 1942 Comments Notes SOMETIME ago my attention was attracted by the curious behaviour of a pair of Carrion-Crows (Corvus c. corone). They were on a house in one of the new housing estates near London, and were engaged in Walking or half-running up and down the sloping roof w...

Letter

01 December 1940 Comments Letters SIRS,--For some years past, Mr. Charles Oldham has regularly published observations on t h e midsummer movements of Swallows, House- and Sand-Martins and Swifts at t h e Tring and Elstree Reservoirs in t h e Transactions of the Herts Nat. Hist. Soc. An id...

Notes

01 February 1939 Comments Notes IT is a well-known fact that the Moustached Warbler (Lusciniola m. melanofogon) often builds its nest among reeds under the knots made by fishermen tying reeds together in Hungary, as stated in The Handbook of British Birds (Vol. II, p. 30). On a visit t...

Notes

01 July 1937 Comments Notes (Regulus i. ignicapillus).--The skin of one picked up on Clifton Downs, Bristol, in the autumn of 1914 is in the Bristol Museum collections. It has only rarely been recorded from Gloucestershire. NORTHERN WILLOW-WARBLER (Phylloscopus trochilus acredula)....