Storm Petrels chasing albino

At 06.00 GMT on 7th August 1977, on Bardsey, Gwynedd, my assistant warden, Trevor Jones, watched four Storm Petrels Hydrobates pelagicus for over 1½ minutes as they flew south close along the west coast. Three were normal, but the other was almost completely albino, off-white with grey flecks on its upperwing-coverts. The latter was constantly being pursued by the


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