Calonectris borealis, Procellariidae (shearwaters), Cory's shearwater, birds, seabirds, environmental issues, environmental problems, fishing, entangled, entanglement, Lanzarote Island, Canary Islands, Spain, Atlantic Ocean.

Remarks: Cory's shearwater entangled in a fishing line; subsequently the bird was disentagled and released. The Cory's shearwater (Calonectris borealis) has been separated from Scopoli's shearwater (Calonectris diomedea). Both species are very similar; Cory's shearwater has dark underwing tips. In Canary Islands Cory's shearwater is the most abundant.