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Class Aves
Order Gaviiformes
Family Gaviidae

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Gavia sp.—LoonsRegional Pleistocene distribution of Gavia sp.

Loons are widespread diving birds. The fossil species either are regular winter habitants along the West Coast or otherwise known from the region.

Sites.

Rancholabrean: San Pedro Lumber Yard (Jefferson 1991a).

Sangamon: Chandler Sand Pit, Rolling Hills Estates (Jefferson 1991a); Costa Mesa San Isabel (Jefferson 2014); Lincoln Ave. (Howard 1936); U. S. Veterans Hospital, Long Beach (Jefferson 1991b).

Literature. Howard 1936; Jefferson 1991a, 2014.

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Gavia immer (Brunnich 1764)—Great Northern LoonRegional Pleistocene distribution of Gavia immer

Sites.

Rancholabrean: San Pedro Lumber Yard (Jefferson 1991a: ?).

Sangamon: San Pedro Lumber Co. (Jefferson 1991a).

Mid/Late Wisconsin: San Miguel Island (Guthrie 1998).

Literature. Guthrie 1998; Jefferson 1991a.

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Gavia pacifica (Lawrence 1858)—Pacific LoonRegional Pleistocene distribution of Gavia pacifica

Gavia pacifica

Fig. 1. Pacific Loon (Gavia pacifica). Photograph by Tim Bowman, courtesy of the US Fish & Wildlife Service.

Sites.

Irvingtonian/Rancholabrean: Manix Lake (Jefferson 1991a: cf.).

Sangamon: San Pedro Lumber Co. (Jefferson 1991a).

Mid/Late Wisconsin: San Miguel Island (Guthrie 1998).

Literature. Guthrie 1998; Jefferson 1991a.

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Gavia stellata (Pontoppidan 1763)—Red-throated LoonRegional Pleistocene distribution of Gavia stellata

Sites.

Wisconsin: Zuma Creek (Jefferson 1991a).

Jefferson 1991a.

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Last Update: 7 May 2015