BirdsShearwaters and Petrels
ALL BIRDS (not possible to age birds at sea in our region) Have mainly buffish brown upperparts with… read more
ADULT Pale morph has blue-gray upper wings, back, and tail. Head and underparts are white. Note dark… read more
ALL BIRDS Have uniformly dark brown upperparts, but mainly pale underparts: throat and belly are whi… read more
ALL BIRDS (ages are not separable in the field) Have dark grayish brown upper wing coverts and mantl… read more
ALL BIRDS (not possible to age birds in the field in our region) Can appear all-dark at a distance, … read more
ALL BIRDS (ages are not separable at sea) Have blackish brown upperparts and mostly white underparts… read more
ALL BIRDS Have more blackish upperparts (not so dark brown, as in Audubon's) and mainly white underp… read more
ALL BIRDS Can appear all-dark at a distance, but in good light plumage is mainly sooty brown. Pale u… read more
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