Personality predicts song complexity in superb fairy-wrens
Royal Society Open Science,
Journal Year:
2025,
Volume and Issue:
12(4)
Published: April 1, 2025
In
birds,
singing
behaviours
play
a
critical
role
in
mating
and
territory
defence.
Although
birdsong
can
signal
individual
quality
personality,
very
few
studies
have
explored
the
relationship
between
personality
song
characteristics,
none
has
investigated
this
females.
Here,
we
examined
relationships
complexity
two
ecologically
relevant
traits
(exploration
aggressiveness)
wild
superb
fairy-wrens
(
Malurus
cyaneus
),
species
which
both
sexes
learn
to
produce
complex
songs.
First,
assessed
males
females
(including
juveniles)
by
quantifying
their
exploration
behaviour
(novel
environment
test)
aggressiveness
(mirror
stimulation
during
short-term
captivity.
After
birds
were
released,
recorded
songs
over
several
months
assess
variation
(i.e.
element
types
per
syllables
song)
relation
personality.
Regardless
of
sex
or
life
stage,
individuals
that
more
exploratory
had
song.
Additionally,
aggressive
produced
with
fewer
syllables,
fledglings,
but
not
adults,
Our
study
supports
idea
male
female
advertise
when
singing,
may
be
important
for
mate
choice.
Language: Английский
Aggressive behavior as a predictor of home range size: findings from both range-restricted and widespread Darwin’s finch species
Journal of Ornithology,
Journal Year:
2024,
Volume and Issue:
166(1), P. 247 - 261
Published: Sept. 21, 2024
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
Impacts of mate quality on female intrasexual aggression in two sisterMalurusfairywren species
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 23, 2023
Abstract
In
a
large
and
ever-growing
number
of
animal
species,
it
is
now
appreciated
that
females
use
colors
as
visual
signal
in
range
social
interactions,
including
both
courtship
territorial
aggression.
Yet,
remains
unclear
whether
female
color
phenotypes
and/or
aggressive
behaviors
are
correlated
with
any
attributes
their
mate’s
phenotype.
For
example,
we
might
expect
species
which
males
contribute
more
to
parental
care
or
defense
have
colorful
females.
On
the
other
hand,
within
those
mated
higher
quality
be
than
lower
males.
To
begin
address
these
possibilities,
conducted
preliminary
study
two
sister
taxa
fairywren
(Maluridae)
distinct
life-history
strategies
plumage
dichromatism:
white-shouldered
fairywrens
(
Malurus
alboscapulatus
moretoni
)
tropical
Papua
New
Guinea,
ornamented
jointly
defend
territories
year-round,
red-backed
M.
melanocephalus
temperate
Australia,
sexually
dichromatic
unornamented
At
between
level,
predicted
would
same-sex
interactions
fairywrens,
year-round
defense,
whereas
break-down
during
non-breeding
fairywrens.
Further,
that,
simulated
encounters.
Between
were
on
average
predicted.
Within
indices
male
not
related
aggression
(although
there
was
non-significant
tendency
for
heavier
mates
longer
tails).
These
results
point
need
additional
research
exploring
relationships
life
history,
plumage,
wider
species.
Language: Английский