Appearance and behaviour of immature Guillemots and Razorbills at sea
01 August 1985
Main paper
The young of both Guillemot Uria aalge and Razorbill Alca torda have an intermediately precocial pattern of development (Sealy 1972). That is, the juvenile is led out to sea by one adult, usually the male parent (Birkhead 1984), when its wing developme...
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