There is evidence supporting this hypothesis from studies of the Leach's Storm-Petrel Oceanodroma leucorhoa (Ricklefs and Minor 1991, Hamer and Hill 1994, Bolton 1995, Mauck and Grubb 1995) and the Antarctic Petrel Thalassoica antarctica (Andersen et al.
Evidence supporting this hypothesis has been found in studies of the Leach's Storm-Petrel Oceanodroma leucorhoa (Ricklefs and Minot 1991) and the Antarctic Petrel Thalassoica antarctica (Salther et al.
Response of adult Leach's Storm-Petrels to increased food demand at the nest.
Leach's storm-petrel nest burrows were checked for occupancy during May, June, and October 1984 and February 1985.
The principal burrowing species breeding on the island are Leach's storm-petrels (Oceanodroma leucorhoa, more than 3 000 000 breeding pairs) and Atlantic puffins (Fratercula arctica, about 30 000 breeding pairs), which outnumber cliff-nesting species such as black-legged kittiwakes (Rissa tridactyla), common and thick-billed murres (Uria aalge and U.
One extensive larder found in 1985 consisted of 16 holes, in which 385 of 396 (97%) of the carcasses were Leach's storm-petrels. A large larder found in 1978 consisted of 320 avian carcasses, again almost all (94%) Leach's storm-petrels.
Fork-tailed Storm-Petrel (Oceanodroma furcata), Leach's Storm-Petrel
The eight-strong group spent five days on Boreray, surveying the population of birds such as puffins, Leach's storm-petrels
and Manx shearwater.
Pine Island has historically supported up to 100 pairs of nesting Leach's Storm-Petrels (Oceanodroma leucorhoa) and larger numbers (89,500 pairs) of Rhinoceros Auklets (Cerorhinca moncerata) (Rodway and Lemon 1991).
Leach's Storm-Petrels also struck the Pine Island lighthouse in 1976, but also 1975, mainly in October, although also a few in June-August.
Tiny Leach's storm-petrels
were over the surf at Porth Iago and Ysgaden, Rhyl, Rhos Point, Lynas and Bardsey, while a few black terns were seen along the coast, with a brief appearance at RSPB Conwy.
Information content of odor plumes: what do Leach's storm-petrels