A trial of three harness attachment methods and their suitability for long-term use on Lesser Black-backed Gulls and Great Skuas
Author(s): Thaxter, C.B., Ross-Smith, V.H., Clark, J.A., Clark, N.A., Conway, G.J., Marsh, M., Leat, E.H.K. & Burton, N.H.K.
Published: January 2014
Journal: Ringing & Migration Volume: 29 ( part 2 )
Digital Identifier No. (DOI): 10.1080/03078698.2014.995546
Wild Bird indicators
The latest updates to this official government report bring yet more sobering news about bird population trends across different landscapes.
Making the most of BirdTrack data
We have been working to produce useful summaries for bird reports using data from the millions of annual BirdTrack records.