Search

Wigeon X Chiloe Wigeon hybrid resembling American Wigeon

01 April 1968 Comments Main paper It has been established that some interspecific hybrids among ducks and geese (Anatidae) strongly resemble one parent or even another species altogether, thus causing problems in field-identification. An extreme case in Britain is the hybrid Pochard Ay...

Hybrid Grey Lag X Canada Goose suggesting influence of Giant Canada Goose in Britain

01 December 1966 Comments Main paper of 1962, at Millom, south Cumberland, a male Grey Lag Goose Anser anser mated with a female Canada Goose Branta canadensis. The Canada Goose, which was perfectly normal in all its plumage characters, had flown in to join a flock of Grey Lags maintained in...

The juvenile Plumage of the Icelandic Black-tailed Godwit and further occurrences of this race in England

01 January 1965 Comments Main paper Icelandic Black-tailed Godwit ~Limosa limosa islandica in Britain and, quoting Williamson and Ruttledge (1958) in support, indicated that this form appeared t o favour the 'western and southern half of the country. This opinion was also upheld by Norrevan...

Letters

01 December 1964 Comments Letters SIRS,--While not seeking to prolong this correspondence unduly, for there is more than a grain of truth on either side, I feel that some reply is called for to Mr. Reginald Wagstaffe's letter (antea, pp. 319-320). May I point out at once that I do not dis...

Erythrism in the Eggs of British Birds.

01 September 1963 Comments Main paper ALTHOUGH many scattered notes on this subject may be found in the various ornithological journals, very little has hitherto been done to collect these separate records; and beyond a short note by Adolf Kricheldorff in the Zeitschrift fur Oologie, XIII., ...

Notes

01 May 1963 Comments Notes FOE some years now I have been paying particular attention to the nestlings of common birds. It is of course now known to all ornithologists that the parents keep the nest clean (as a general rule) by carrying away the excrement, and often by swallowing ...

Notes

01 June 1948 Comments Notes As a member of the local fire brigade I was able to make some close observations on the behaviour of birds at a big oil-tank fire at Pembroke Dock in August and September, 1940. The fire blazed for many days and gave rise to intense heat and an immense c...

Letters

01 April 1948 Comments Letters SIRS,--Messrs. Wagstaffe and Williamson's paper (antea, Vol. xl, p p . 322-325), on t h e cabinet colour changes in bird skins, will be read b y all workers in systematic ornithology with great interest. That these changes occur is of course well known, a...

Notes

01 November 1947 Comments Notes ON a fine morning in April, 1946, a number of Blackbirds (Turdus m. merula), Song-Thrushes (Turdus e. ericetorum) and Starlings (Siurnus v. vulgaris) were watched while feeding on a large lawn of King's College, Cambridge. The Starlings spent most of the...

Notes

01 October 1947 Comments Notes ON June 22nd, 1947, in a wood just outside Calais, I had a good view of a male Golden Oriole (Oriolus 0. oriolus), sitting in sunlight on a bare twig of a lombardy poplar, about 30 feet from the ground. It called continuously for about eight minutes. The...

1
2
3
4
5
6
next ›
last »

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

Subscribe Now

Search

Wigeon X Chiloe Wigeon hybrid resembling American Wigeon

Hybrid Grey Lag X Canada Goose suggesting influence of Giant Canada Goose in Britain

The juvenile Plumage of the Icelandic Black-tailed Godwit and further occurrences of this race in England

Letters

Erythrism in the Eggs of British Birds.

Notes

Notes

Letters

Notes

Notes

Sign Up to our Newsletter