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Gray Petrel

Procellaria cinerea Gmelin & JF 1789

developmental mode

Sibly et al 2012
altricial
URI: http://eol.org/schema/terms/altricial

Definition: Parent(s) provide food and thermoregulation (e.g., passerines).

Attribution: Richard M. Sibly, Christopher C. Witt, Natalie A. Wright, Chris Venditti, Walter Jetz, and James H. Brown. 2012. Energetics, lifestyle, and reproduction in birds. PNAS 109(27):10937-10941, doi:10.1073/pnas.1206512109

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