The 'Marsh Hawk' problem

01 September 1983
Comments Main paper A 'ringtail' harrier at Cley, Norfolk, from October 1957 to April 1958 was identified as a first-year Hen Harrier Circus cyaneus of the Nearctic subspecies hudsonius (previously known as Marsh Hawk in North America, but now called Northern Harrier) bec...
Read More

American Marsh Hawk in Norfolk

01 December 1971
Comments Main paper This is the long-delayed story of an immature ring-tailed harrier Circus sp that wintered in the area of Cley and Salthouse, Norfolk, from October 1957 to April 1958. Plans for the co-authorship of an earlier paper foundered and with the passage of time t...
Read More

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

Subscribe Now