J. C. Underhill-Day

Habitat type determines the effects of disturbance on the breeding productivity of the Dartford Warbler <i>Sylvia undata</i>

GISELLE MURISON, James M. Bullock, J. C. Underhill-Day et al. · Ibis · 2007 · 33 citations · Full text

Life Sciences, Ecology, Zoology +15

The food of breeding Marsh Harriers<i>Circus aeruginosus</i>in East Anglia

J. C. Underhill-Day · Bird Study · 1985 · 25 citations · Full text

Life Sciences, Ecology, Zoology +13

The foods and feeding rates of Montagu's Harriers<i>Circus pygargus</i>breeding in arable farmland

J. C. Underhill-Day · Bird Study · 1993 · 18 citations · Full text

Life Sciences, Animal Sciences, Ecology +14

Population and Breeding Biology of Marsh Harriers in Britain Since 1900

J. C. Underhill-Day · Journal of Applied Ecology · 1984 · 17 citations

Life Sciences, Ecology, Behavioral Ecology +9