Female aggression towards same-sex rivals depends on context in a tropical songbird
Behavioural Processes,
Journal Year:
2022,
Volume and Issue:
202, P. 104735 - 104735
Published: Aug. 20, 2022
Language: Английский
Hypoxia tolerance, but not low pH tolerance, is associated with a latitudinal cline across populations of Tigriopus californicus
PLoS ONE,
Journal Year:
2022,
Volume and Issue:
17(10), P. e0276635 - e0276635
Published: Oct. 27, 2022
Intertidal
organisms
must
tolerate
daily
fluctuations
in
environmental
parameters,
and
repeated
exposure
to
co-occurring
conditions
may
result
tolerance
multiple
stressors
correlating.
The
intertidal
copepod
Tigriopus
californicus
experiences
diurnal
variation
dissolved
oxygen
levels
pH
as
the
opposing
processes
of
photosynthesis
cellular
respiration
lead
coordinated
highs
during
day
lows
at
night.
While
parameters
with
overlapping
spatial
gradients
frequently
correlated
traits,
less
attention
has
been
given
exploring
temporally
stressors.
We
investigated
whether
hypoxia
correlates
low
by
separately
testing
stress
6
genetically
differentiated
populations
T
.
independently
checked
for
similarities
each
two
latitude,
sex,
size,
time
since
collection
predictors.
found
that
although
did
not,
no
predictor
was
significant
both
concluded
not
developing
equivalent
both.
Although
climate
change
alters
several
variables
simultaneously,
organisms’
abilities
these
changes
be
similarly
coupled.
Language: Английский
Correlated evolution of distinct signals associated with increased social selection in female white‐shouldered fairywrens
Ecology and Evolution,
Journal Year:
2021,
Volume and Issue:
11(23), P. 17352 - 17363
Published: Nov. 23, 2021
Abstract
Conspicuous
female
signals
have
recently
received
substantial
scientific
attention,
but
it
remains
unclear
if
their
evolution
is
the
result
of
selection
acting
on
females
independently
males
or
mutual
facilitates
change.
Species
that
express
female,
not
male,
phenotypic
variation
among
populations
represents
a
useful
opportunity
to
address
this
knowledge
gap.
White‐shouldered
fairywrens
(
Malurus
alboscapulatus
)
are
tropical
songbirds
with
well‐resolved
phylogeny
where
coloration
varies
allopatrically
across
subspecies.
We
explored
how
four
distinct
signaling
modalities,
each
putatively
associated
increased
social
selection,
expressed
in
two
vary
competitive
pressure
females.
Females
derived
subspecies
M
.
moretoni
evolved
more
ornamented
plumage
and
shorter
tails
(a
signal
dominance)
relative
an
ancestral
lorentzi
drab
In
response
simulated
territorial
intrusions
broadcasting
song,
both
sexes
aggressive
coordinated
mates
movement
vocalizations.
Finally,
songs
complex
than
,
song
complexity
does
between
either
population.
These
results
suggest
correlated
shifts
tail
morphology
as
well
aggression
may
occurred
changes
intensity
pressures.
This
highlights
pressures
can
facilitate
multimodal
signals.
Language: Английский
Female ornamentation does not predict aggression in a tropical songbird
Behavioral Ecology and Sociobiology,
Journal Year:
2022,
Volume and Issue:
76(4)
Published: April 1, 2022
Language: Английский
Decoding the Dewlap: Multiple signals in females and males of a gliding lizard
Avantika Sharma,
No information about this author
Aravind Sridharan,
No information about this author
Kavita Isvaran
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 6, 2024
Abstract
Social
interactions
across
taxa
are
often
mediated
through
multiple
signals.
Studies
examining
the
maintenance
of
signals
mostly
focused
on
males
and
fail
to
capture
female
signalling
diversity
strategies.
In
recent
decade,
there
has
been
a
surge
in
documentation
signalling,
however,
our
understanding
functional
relevance
females
still
lags
behind.
this
study,
we
examined
an
arboreal
gliding
lizard,
Draco
dussumieri
,
compared
them
those
males.
We
specifically
tested
relative
role
backup
signal
receiver
hypotheses
both
sexes.
Female
D.dussumieri
used
variety
socially
interact
with
conspecifics,
especially
using
their
dewlap.
The
repertoire
was
as
diverse
that
males,
although
use
varied.
females,
few
seem
be
maintained
by
hypothesis,
limited
support
for
hypothesis
well.
For
too,
mechanisms
appeared
maintain
Interestingly,
some
signals,
sexes
differed
context
which
they
given
signal.
Overall,
these
findings
highlight
can
differ
from
observed
Therefore,
traits
conventionally
considered
male-exclusive
when
also
provide
finer
insights
into
trait
function
evolution.
Language: Английский