The Canadian Field-Naturalist,
Journal Year:
2022,
Volume and Issue:
136(2), P. 101 - 199
Published: Nov. 7, 2022
The
occurrence
of
Shining
Firmoss
(Huperzia
lucidula;
Lycopodiaceae)
in
Manitoba
has
been
suspected
since
1943
but
unconfirmed.The
discovery
at
the
herbarium
University
a
non-accessioned
specimen,
collected
Riding
Mountain
National
Park
(RMNP),
Manitoba,
confirmed
that
species
occurred
province.At
about
same
time,
thriving
colony
was
discovered
Gunisao
Lake,
~380
km
to
northeast
RMNP
site.Shining
is
now
established
as
rare,
widely
dispersed
element
Manitoba's
flora.
Genes,
Journal Year:
2022,
Volume and Issue:
13(9), P. 1661 - 1661
Published: Sept. 16, 2022
Coyotes
are
ubiquitous
on
the
North
American
landscape
as
a
result
of
their
recent
expansion
across
continent.
They
have
been
documented
in
heart
some
most
urbanized
cities,
such
Chicago,
Los
Angeles,
and
New
York
City.
Here,
we
explored
genomic
composition
16
coyotes
metropolitan
area
to
investigate
demography
admixture
for
urban-dwelling
canids
Queens
County,
York.
We
identified
moderate-to-high
estimates
relatedness
among
living
(r
=
0.0–0.5)
adjacent
neighborhoods,
suggestive
relatively
small
population.
Although
found
low
background
levels
domestic-dog
ancestry
our
sample
(5%),
male
suspected
be
first-generation
coyote–dog
hybrid
with
46%
dog
ancestry,
well
his
two
putative
backcrossed
offspring
that
carried
approximately
25%
ancestry.
The
one
each
transposable
element
insertions
associated
human-directed
hypersociability
dogs
gray
wolves.
An
additional,
unrelated
coyote
little
also
these
insertions.
These
genetic
patterns
suggest
gene
flow
from
domestic
may
become
an
increasingly
important
consideration
continue
inhabit
regions.
Journal of Zoology,
Journal Year:
2021,
Volume and Issue:
314(2), P. 104 - 115
Published: Feb. 14, 2021
Abstract
How
to
manage
hybridization
and
introgression
in
wild
animals
is
controversial.
Wildlife
managers
researchers
may
often
rely
upon
phenotypic
variables
such
as
coat
colour
inform
on
ground
management
decisions.
In
Australia,
dingoes
are
typically
believed
be
ginger
colour,
unusual
colours
brindle
or
sable
widely
posited
evidence
of
contemporary
domestic
dog
hybridization.
We
carried
out
microsatellite‐based
genotyping
1325
canids
from
southeastern
Australia
known
estimate
the
extent
introgression.
A
key
aim
our
study
was
examine
relationship
between
ancestry
dingoes.
observed
that
27.4%
samples
were
with
no
whilst
72.6%
some
ancestry.
Our
data
confirm
feral
dogs,
dogs
dingo
ancestry,
rare
wild,
representing
less
than
1.5%
population.
There
could
distinguish
without
each
other.
Contrary
popular
belief,
patchy
positively
associated
common
mixed
finding
this
work
should
not
used
assess
Further
research
needed
uncover
antiquity,
origin
potential
adaptive
value
these
genomic
regions.
It
possible
a
similar
example
has
been
North
American
wolves
black
colour.
These
add
perspective
global
debates
about
how
conserve
enigmatic
animal
populations
presence
modern
historical
Journal of Mammalogy,
Journal Year:
2023,
Volume and Issue:
104(3), P. 562 - 577
Published: Jan. 21, 2023
Abstract
The
Gray
Wolf
(Canis
lupus)
is
viewed
as
one
of
the
most
diverse
mammal
species.
In
North
America,
diversity
its
forms
debated,
with
views
conflicting
on
subspecies
designation.
present
study
aimed
to
reinvestigate
skull
morphometric
variation
among
American
populations
while
attempting
unveil
underlying
causal
factors.
A
large
sample
vouchered
museum
skulls,
collected
from
12
ecogeographical
spanning
range
species,
was
examined
and
21
craniodental
characters
were
measured.
Skull
shape
showed
within-population
variations
but
provided
evidence
for
a
high
morphological
affinity
populations.
Allometric
analyses
also
pointed
similar
evolutionary
paths
However,
significant
size-related
differentiation
revealed
within
size
could
be
related
three
insulin-like
growth
factor-1
gene
(IGF-1)
alleles.
Ecological
conditions
that
should
determine
prey
type
availability
accounted
variation.
contrast,
no
geographical
isolation
detected.
results
support
existence
single
pool
gray
wolf
equated
taxonomic
unit.
This
raises
again
question
in
this
species
America
calls
into
validity
previously
recognized
based
genetics
morphology.
BMC Zoology,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: June 20, 2022
Gloger's
rule
postulates
that
animals
should
be
darker
colored
in
warm
and
humid
regions
where
dense
vegetation
dark
environments
are
common.
Although
rare
Canis
populations,
melanism
wolves
is
more
common
North
America
than
other
globally
believed
to
follow
rule.
In
the
temperate
forests
of
southeastern
United
States,
historical
records
red
wolf
(Canis
rufus)
coyote
latrans)
populations
document
a
consistent
presence
melanism.
Today,
melanistic
phenotype
extinct
while
occurring
coyotes
wolf-coyote
hybrids
who
occupy
wolf's
range.
To
assess
if
could
explain
occurrence
maintenance
phenotypes
taxa,
we
investigated
differences
morphology,
habitat
selection,
survival
associated
with
pelage
color
using
body
measurements,
GPS
tracking
data,
long-term
capture-mark-recapture
radio-telemetry
data
collected
on
across
States.We
found
no
correlation
between
morphometrics
for
taxa.
However,
observed
experienced
greater
annual
did
their
gray
conspecifics.
Furthermore,
maintained
larger
home
ranges
exhibited
selection
areas
canopy
cover
wetlands
coyotes.In
influenced
by
providing
evidence
applicable
canids
inhabiting
wetlands.
Greater
rates
may
attributed
better
concealment
such
as
coastal
bottomland
forests.
We
suggest
range
sizes
reflect
trade-off
reduced
foraging
efficiency
lower
quality
wetland
improved
survival.
Larger
differential
use
land
facilitate
weak
assortative
mating
eastern
which
have
success
finding
compatible
mates
comparison
offer
our
observations
provide
partial
explanation
why
relatively
low
(<
10%)
but
within
throughout
parts
Ecology and Evolution,
Journal Year:
2021,
Volume and Issue:
11(13), P. 9137 - 9147
Published: June 5, 2021
Abstract
The
evolutionary
origins
and
hybridization
patterns
of
Canis
species
in
North
America
have
been
hotly
debated
for
the
past
30
years.
Disentangling
ancestry
timing
Great
Lakes
wolves,
eastern
Canadian
red
coyotes
are
most
often
partitioned
into
a
2‐species
model
that
assigns
all
to
gray
wolves
and/or
coyotes,
3‐species
includes
third,
American
evolved
wolf
genome.
proposed
models
address
recent
or
sometimes
late
Holocene
events
but
largely
ignored
potential
Pleistocene
era
progenitors
opportunities
may
impacted
current
mixed
genomes
Canada
United
States.
Here,
we
re‐analyze
contemporary
ancient
mitochondrial
DNA
with
Bayesian
phylogenetic
analyses
more
accurately
estimate
divergence
dates
among
lineages.
We
combine
review
literature
on
Late
distributions
to:
(a)
identify
southern
wolves;
(b)
illuminate
events.
Specifically,
propose
Beringian
(
C.
lupus
)
extinct
large
wolf‐like
latrans
orcutti
likely
Mexican
Plains
respectively,
represent
potentially
unrecognized
source
introgressed
genomic
variation
within
genomes.
These
speak
provide
new
perspective
ancestry,
do
not
negate
conservation
priorities
dwindling
populations
unique
signatures
key
ecologically
critical
roles.
Journal of Wildlife Management,
Journal Year:
2023,
Volume and Issue:
88(2)
Published: Nov. 27, 2023
Abstract
Understanding
the
role
of
recruitment
in
population
dynamics
white‐tailed
deer
(
Odocoileus
virginianus
)
is
important
for
management.
In
central
Appalachian
Mountains,
are
part
a
largely
forested
ecosystem
that
supports
3
carnivore
species
thought
to
be
capable
influencing
recruitment:
black
bears
Urus
americanus
),
coyotes
Canis
latrans
and
bobcats
Lynx
rufus
).
Yet
little
known
about
predation,
how
other
environmental
factors
influence
recruitment,
or
importance
neonate
survival
performance
region.
Our
objectives
were
identify
causes
mortality
neonates,
analyze
effects
landscape
attributes
on
estimate
rates
neonates
adult
female
deer,
model
growth
trends
based
current
vital
hypothetical
harvest
scenarios.
During
2019–2020,
we
captured
57
Bath
County,
Virginia,
USA,
by
monitoring
38
pregnant
females
equipped
with
global
positioning
system
collars
vaginal
implant
transmitters
conducting
transect
searches
recently
born
neonates.
We
observed
37
mortalities
identified
cause
death
using
field
genetic
evidence.
Mortalities
included
28
predation
events
9
deaths
from
(e.g.,
abandonment,
malnutrition,
disease).
Black
accounted
48.6%
mortalities,
64.2%
n
=
18),
followed
5)
3).
Annual
was
0.871
12
weeks
old
0.310.
Elevation
significant
predictor
survival;
risk
increased
20%
every
100‐m
increase
elevation.
Models
annual
predicted
an
increasing
(λ
1.10).
A
10%
would
still
result
potential
2%
1.02),
but
rate
7%
decline
0.93).
Neonate
higher
near
fertile
valley
bottoms
lower
along
ridges
characterized
shallow,
infertile
soils
limited
edge
early
successional
forests.
While
influenced
bears,
leading
contributed
low
survival,
evidence
decline,
suggest
there
opportunity
modest
deer.
Royal Society Open Science,
Journal Year:
2024,
Volume and Issue:
11(10)
Published: Oct. 1, 2024
Facial
expressions
are
critical
for
non-verbal
communication.
The
Canis
genus
epitomizes
the
interplay
between
behaviour
and
morphology
in
evolution
of
Recent
work
suggests
that
levator
anguli
oculi
medialis
(LAOM)
muscle
is
unique
to
dogs
(
familiaris
)
within
evolved
due
domestication.
LAOM
raises
inner
eyebrows,
resulting
‘puppy
dog
eyes’
expression.
Here,
we
test
whether
a
derived
trait
by
(i)
examining
facial
expression
muscles
closely
related
ancestral
wild
species,
coyote
C.
latrans
(ii)
comparing
our
results
with
other
canid
taxa.
We
discover
coyotes
have
well-developed
like
dogs,
which
differs
from
modified/absent
grey
wolves.
Our
findings
challenge
hypothesis
developed
suggest
basal
was
lost
Additionally,
find
inter-
intraspecific
variations
size
outer
ear,
forehead,
lips
rostrum,
indicating
potential
adaptations
sensory
perception,
communication
individual-level
functional
canids.
Together,
this
research
expands
knowledge
expressions,
their
role
The Canadian Field-Naturalist,
Journal Year:
2022,
Volume and Issue:
136(2), P. 139 - 144
Published: Nov. 7, 2022
Long-standing
myths
exist
about
the
origins
of
wolf–coyote
hybrids
and
related
Canis
species
in
Ontario.
Specifically,
there
is
a
perceived
controversy
whether
they
are
product
natural
hybridization
that
occurred
between
wolves
coyotes
wild
during
last
century
or
descendants
animals
escaped
were
released
from
captive
colonies
controlled
breeding
experiments.
We
review
relevant
evidence
conclude
experiments
unlikely
to
have
played
any
role