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Population density, diet and breeding success of ravens (Corvus corax) and buzzards (Buteo buteo) was studied from 1975 to 1979 on enclosed farmland, ...
Read moreIn >1 million ha of the exotic pine, Pinus radiata, planted in the coastal area of central Chile in the last 15 yr, up to 55% of stems in attacked ...
Read moreThis paper presents the results of a field study conducted in Spain, to evaluate the effectiveness of installing nest boxes for insectivorous birds in...
Read moreThis paper presents the results of a field study conducted in Spain, to evaluate the efficiency of installing artificial nest boxes for insectivorous ...
Read moreOrganochlorine levels and shell thickness indices varied little between eggs in the same clutch of Accipiter nisus in the UK, but they varied greatly ...
Read moreThis article discusses the how sound is used by marine species to find prey, communicate, and even mate with their kind. However, the increasing level...
Read moreRelationships between red-winged blackbirds (Agelaius phoeniceus) and the chrysomelid Diabrotica longicornis were studied in field maize in Cayuga Cou...
Read moreThe same 25 eyries of golden eagles (Aquila chry-saetos) were examined each year in west Scotland. In 1963-65 the "percentage of nests with eggs from ...
Read moreA survey ws conducted on 213 Maasai communities from three geographic regions in Kenya to determine whether lion-killing is an indiscriminate act of r...
Read moreWe monitored 100 artificial nests of four different designs to examine the occupancy and breeding success of predatory birds in nest site limited, ste...
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