A study of the risk of collision with power lines by waterbirds in winter at Shotton Steel Works, North Wales
Author(s): Balmer, D.E., Henderson, I.G. & Clark, N.A.
Published: January 1995 Issue No.: 153 Pages: 32pp
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One bird, twelve journeys, 60 000 miles and invaluable scientific data: PJ the Cuckoo has left an incredible legacy.