''Larus robustus'' is an
extinct
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
species of
gull
Gulls, or colloquially seagulls, are seabirds of the subfamily Larinae. They are most closely related to terns and skimmers, distantly related to auks, and even more distantly related to waders. Until the 21st century, most gulls were placed ...
that lived during the Late
Pleistocene
The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...
.
Etymology
The genus name ''
Larus
''Larus'' is a large genus of gulls with worldwide distribution (by far the greatest species diversity is in the Northern Hemisphere).
Many of its species are abundant and well-known birds in their ranges. Until about 2005–2007, most gulls ...
'' derives from
Ancient Greek
Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...
, referring to a seabird. The species name ''robustus'' derives from
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
, meaning "hardness, strength."
Description
''Larus robustus'' specimens stem from
Fossil Lake, Oregon.
Charles H. Sternberg collected the type specimen.
''Larus robustus'' is large gull, smaller than the
glaucous gull
The glaucous gull (''Larus hyperboreus'') is a large gull, the second-largest gull in the world. The genus name is from Latin , which appears to have referred to a gull or other large seabird. The specific name is Latin for "northern" from the A ...
(''Larus hyperboreus'') and significantly larger than the
American herring gull
The American herring gull or Smithsonian gull (''Larus smithsonianus'' or ''Larus argentatus smithsonianus'') is a large gull that breeds in North America, where it is treated by the American Ornithological Society as a subspecies of herring gu ...
(''Larus argentatus smithsonianus'').
References
External links
''Larus robustus''- Paleontology Database
-
Mindat.org
Mindat.org is a non-commercial interactive online database covering minerals around the world. Originally created by Jolyon Ralph as a private project in 1993, it was launched as a community-editable website in October 2000. it is operated by ...
''Larus robustus (Shufeldt, 1891)''-
GBIF
The Global Biodiversity Information Facility (GBIF) is an international organisation that focuses on making scientific data on biodiversity available via the Internet using web services. The data are provided by many institutions from around the ...
{{Taxonbar, from=Q123699292
Pleistocene birds
Larus