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Field notes on the nesting habits of the Great Northern Diver

01 January 1950 Comments Main paper (Plates 1--9). THE following notes on the Great Northern Diver (Colymbus immer) were made chiefly at a nest on the great lake of Thingvallavatn in South-west Iceland during June, 1949. They are supplemented by field notes made during the previous June in ...

The pseudo-sleeping attitude of the Oyster-catcher

01 January 1950 Comments Main paper (Fair Isle Bird Observatory) IT IS well-known from the work of Makkink (1942) and Edwards et al. (1948) that in certain situations the Oyster-catcher (Hcematopus ostralegus) adopts a " pseudo-sleeping " attitude. The bird stands on one or both legs, with ...

Notes on the breeding of the Pied Flycatcher

01 January 1950 Comments Main paper BROWN (I) and Taylor (7) have described the origins and history up to 1944 of the occupation by Pied Flycatchers (Muscicapa hypoleuca) of nestboxes put up by the Forestry Commission in an Â· area of mature oakwood in the Forest of Dean, Gloucestershire...

Bird skeletons found in a hollow tree

01 January 1950 Comments Main paper IN January, 1948, a number of bird skeletons were found by Mr. Robert Aldridge in a hollow in the trunk of a wych elm felled near Fleet, Hants. As the writer was unable to examine the tree with the bones in situ Mr. Aldridge very kindly arranged for the m...

Dancing display of the Wheatear

01 January 1950 Comments Main paper [We have received, curiously enough, a t approximately the same time two independent accounts of the remarkable leaping or dancing display of the Wheatear, of which, so far as we are aware, only two descriptions previously existed in ornithological liter...

Studies of some species rarely photographed: XXIV. Great Northern Diver

01 January 1950 Comments Main paper THE PHOTOGRAPHS illustrating Mr. Yeates's paper are being treated, by permission, as also constituting part of our series of " Studies of Species rarely photographed ", together with several others, also taken in Iceland, by Mr. Bjorn Bjornsson, of Reykja...

The Index of Heron Population, 1948.

01 March 1949 Comments Main paper ...

Studies of Some Species Rarely Photographed: The Hoopoe and Roller