British Wildlife is the leading natural history magazine in the UK, providing essential reading for both enthusiast and professional naturalists and wildlife conservationists. Published eight times a year, British Wildlife bridges the gap between popular writing and scientific literature through a combination of long-form articles, regular columns and reports, book reviews and letters.
Conservation Land Management (CLM) is a quarterly magazine that is widely regarded as essential reading for all who are involved in land management for nature conservation, across the British Isles. CLM includes long-form articles, events listings, publication reviews, new product information and updates, reports of conferences and letters.
Used for wing measurements on larger passerines and smaller non-passerines, which can also be used for some other simple biometrics, such as tarsus length, toe-tarsus length (though not as detailed a result as with callipers).
For smaller passerine, try our 150 mm Wing Rule.