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  1. Chlorostilbon Melanorhynchus ('Trochilidae’): Changes of Direction in Flight (1967 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    Shows the hummingbird ‘Chlorostilbon melanorhynchus’ hovering and changing direction in flight. The bird dives forwards, flies upwards forwards, flies upwards backwards and carries out turns. The feeding...

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  2. Sea Birds of Galapagos and Peru (1967 Film, Video)

    Producer
    J B Nelson
    Subject
    Biology
    Distribution
    Film (16mm)

    Four species of the family ‘Sulidae’ showing site establishment, aggression, courtship and feeding of young. Parallel sequences of the activities of other Galapagos seabirds, including the waved...

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