Royal Society Open Science,
Journal Year:
2024,
Volume and Issue:
11(11)
Published: Nov. 1, 2024
People
have
influenced
Earth’s
biodiversity
for
millennia,
including
numerous
introductions
of
domestic
and
wild
species
to
islands.
Here,
we
explore
the
origins
ecology
Santa
Catalina
Island
ground
squirrel
(SCIGS;
Otospermophilus
beecheyi
nesioticus
),
one
only
five
endemic
terrestrial
mammals
found
on
California’s
Island.
We
synthesized
all
records
archaeological/palaeontological
SCIGS,
conducted
radiocarbon
dating
stable
isotope
analysis
potentially
earliest
SCIGS
remains
performed
genetic
modern
SCIGS.
Squirrels
were
not
identified
in
island
palaeontological
deposits,
but
at
least
12
archaeological
sites
contain
bones,
some
that
are
butchered
or
burned.
All
directly
dated
bones
Late
Holocene
age
younger
than
approximately
1290
cal
BP.
The
first
mitochondrial
genome
15
mitogenomes
document
introduction
squirrels.
Stable
data
indicate
variable
diets
potential
subsidies
from
marine
environments
plants
consumed
by
individuals.
cannot
rule
out
a
natural
overwater
dispersal,
post-date
evidence
people
several
millennia
and,
along
with
other
lines
evidence,
support
human-assisted
translocation
squirrels
during
Holocene.
These
illustrate
important
role
Indigenous
shaping
enhancing
around
world.
Bulletin of the British Ornithologists Club,
Journal Year:
2024,
Volume and Issue:
144(3)
Published: Sept. 2, 2024
Le
Beffroi
Musée
Boucher
de
Perthes-Manessier,
Abbeville,
France,
houses
an
ornithological
collection
totalling
2,597
mounted
birds,
principally
from
the
19th
century.
According
to
current
IUCN
Red
List
of
threatened
species,
mounts
represent
112
extinct
or
endangered
('E&E')
bird
taxa
(156
specimens
in
total).
We
list
'E&E'
that
merit
special
curatorial
attention.
The
includes
nine
Extinct
(Greater
Prairie
Chicken
Tympanuchus
c.
cupido,
Passenger
Pigeon
Ectopistes
migratorius,
Snail-eating
Coua
delalandei,
Great
Auk
Pinguinus
impennis,
Norfolk
Island
Kaka
Nestor
productus,
Carolina
Parakeet
Conuropsis
carolinensis,
Nuku
Hiva
Monarch
Pomarea
nukuhivae,
South
Piopio
Turnagra
capensis
and
Slender-billed
Grackle
Quiscalus
palustris),
one
Wild
(Guam
Kingfisher
Todiramphus
cinnamominus)
38
species
subspecies.
In
addition
status,
EDGE
(Evolutionary
Distinctiveness
Globally
Endangered)
score
for
each
is
specified.
Royal Society Open Science,
Journal Year:
2024,
Volume and Issue:
11(11)
Published: Nov. 1, 2024
People
have
influenced
Earth’s
biodiversity
for
millennia,
including
numerous
introductions
of
domestic
and
wild
species
to
islands.
Here,
we
explore
the
origins
ecology
Santa
Catalina
Island
ground
squirrel
(SCIGS;
Otospermophilus
beecheyi
nesioticus
),
one
only
five
endemic
terrestrial
mammals
found
on
California’s
Island.
We
synthesized
all
records
archaeological/palaeontological
SCIGS,
conducted
radiocarbon
dating
stable
isotope
analysis
potentially
earliest
SCIGS
remains
performed
genetic
modern
SCIGS.
Squirrels
were
not
identified
in
island
palaeontological
deposits,
but
at
least
12
archaeological
sites
contain
bones,
some
that
are
butchered
or
burned.
All
directly
dated
bones
Late
Holocene
age
younger
than
approximately
1290
cal
BP.
The
first
mitochondrial
genome
15
mitogenomes
document
introduction
squirrels.
Stable
data
indicate
variable
diets
potential
subsidies
from
marine
environments
plants
consumed
by
individuals.
cannot
rule
out
a
natural
overwater
dispersal,
post-date
evidence
people
several
millennia
and,
along
with
other
lines
evidence,
support
human-assisted
translocation
squirrels
during
Holocene.
These
illustrate
important
role
Indigenous
shaping
enhancing
around
world.
