资讯
With their swept-back wings and aerial lifestyle, Hirundines (Swallows, and Sand and House Martins) and similar but unrelated Swifts often cause ID headaches. Let us help you to separate these amazing ...
BirdFacts draws together up-to-date information on status and trends for all species routinely monitored by BTO schemes and surveys, often in partnership with other organisations. Completeness of this ...
Woodward, I., Aebischer, N., Burnell, D., Eaton, M., Frost, T., Hall, C., Stroud, S. & Noble, D. 2020. APEP 4 - Population estimates of birds in Great Britain and the ...
Commonly referred to as the Ringing Report, these summaries provide information on the numbers of birds ringed and reports (recoveries) of ringed birds received for the whole Ringing Scheme, covering ...
Changes in the amount and/or distribution of particular feather pigments are some of the most commonly reported types of plumage abnormality. Most often, these abnormalities occur within the common ...
A list of the bird species in the UK, Ireland and Isle of Man which have special protection during the breeding season, known as Schedule 1 species. All birds which have special protection during the ...
Recording areas (usually counties) have a Bird Recorder who collates records often linked to the activities of local bird clubs. One of the aims of BirdTrack is to support the County Recorder network ...
Ringing Groups are formed by people who wish to pursue a common interest in ringing related bird studies. All of the groups below are currently registered with the BTO and operating using BTO rings.
You’ll no doubt find that ringing is a very satisfying activity. Not only will you be adding to over 100 years of data used directly by conservationists, but enjoying the experience of seeing birds ...
Every 20 years or so volunteer birdwatchers carry out a complete stock-take of the birds of Britain and Ireland for the Bird Atlas. Bird Atlas 2007–11 was one of the most ambitious volunteer projects ...
The Breeding Bird Survey Report (BBS Report) is published annually and reports on the population tends of the UK's breeding birds. The Breeding Bird Survey Report is an annual publication containing ...
Cheeping flocks of House Sparrow once tumbled from untidy nests and wallowed in urban dust baths. Now the species is in decline and has been on the UK Red List since 2002. Colonial nesters, the male ...
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