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iNat·512756hybridAves6 field observations
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Ring-billed × California Gull
Plate 1 of 2. (c) Kalin Antonio Ocaña, some rights reserved (CC BY-NC), uploaded by Kalin Antonio Ocaña · via iNaturalist

Ring-billed × California Gull

Larus delawarensis × californicus

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Larus delawarensis × californicus in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 512756.