Synthliboramphus sp., Auk egg

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A murrelet egg that was previously attributed to the Xantus's murrelet (Brachyrampus hypoleucus); this species is now known to be two very similar species: the Guadalupe (Synthliboramphus hypoleucusi) and Scripps's (Synthliboramphus scrippsi) murrelet. This egg could belong to the Guadalupe or Scripps's and may be too visually similar to narrow down further than genus.

Original set mark.: 68/1