Behavioral Ecology,
Journal Year:
2017,
Volume and Issue:
28(4), P. 974 - 982
Published: Feb. 27, 2017
Anthropogenic
sounds
influence
animal
vocal
behaviour,
species
distributions,
and
community
assemblages.
Natural
also
have
the
potential
to
affect
behaviour
ecology
of
animals,
but
it
is
currently
unknown
if
effects
natural
match
those
anthropogenic
sounds.
Here,
we
quantified
compared
on
avian
song
performance
by
calculating
trade-off
frontiers
based
trill
rate
bandwidth
2
emberizid
species.
Chipping
sparrows
(Spizella
passerina)
white-crowned
(Zonotrichia
luecophrys)
were
recorded
in
areas
with
without
sound
along
a
gradient
generated
from
ocean
surf,
respectively.
We
analysed
individuals'
relative
frontier
found
that
both
vocalizing
environments
louder
background
sang
songs
significantly
further
below
than
sung
birds
quiet
settings.
noisy
almost
twice
as
far
individuals
areas,
sparrow
declined
~25%
each
3
dB(A)
increase
environmental
sounds,
or
halving
size
signaller's
listening
area.
These
results
suggest
can
significant
effect
performance,
trait
known
outcome
male-male
contests
female
mate
choices.
Considering
are
pervasive,
acoustic
refuges
may
be
more
important
previously
thought,
development
infringing
larger
portions
prime
habitat
realize.
acta ethologica,
Journal Year:
2024,
Volume and Issue:
27(1), P. 13 - 25
Published: Jan. 5, 2024
Abstract
Traffic
noise
is
a
pervasive
pollutant
that
affects
wildlife
at
individual
and
group
levels
through
mechanisms
such
as
disrupting
communication,
affecting
antipredator
strategy,
and/or
changing
how
they
use
space
within
habitat.
Urbanization
expanding
rapidly—few
places
remain
untouched
by
anthropogenic
disturbance—so
understanding
the
implications
of
on
behavior
paramount
to
conservation
efforts.
We
asked
whether
traffic
could
change
social
network
metrics
in
flocks
captive
birds.
Specifically,
we
quantified
effects
playbacks
sociality
(weighted
degree,
number
partners
weighted
frequency
interactions
with
those
partners)
flock
clustering
(global
coefficient,
connectivity
neighbors).
In
this
study,
recorded
zebra
finches
(
Taeniopygia
guttata
)
before,
during,
after
an
experimental
introduction
two
treatments:
high-
lower-amplitude
noise.
Our
results
demonstrated
increased
response
both
high-amplitude
low-amplitude
treatments.
Additionally,
birds
treatment
spent
more
time
room
active
playback
during
whereas
decreased
closest
treatment.
Increased
influence
disease
transmission,
learning,
mating
dynamics.
suggest
future
studies
explore
driving
noise,
perceived
predation
risk,
vigilance,
cross-sensory
interference.
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2024,
Volume and Issue:
291(2034)
Published: Nov. 1, 2024
Animal
communication
plays
a
crucial
role
in
biology,
yet
the
wide
variability
vocalizations
is
not
fully
understood.
Previous
studies
birds
have
been
limited
taxonomic
and
analytical
breadth.
Here,
we
analyse
an
extensive
dataset
of
>140
000
recordings
from
8450
bird
species,
representing
nearly
every
avian
order
family,
under
structural
causal
model
framework,
to
explore
influence
eco-evolutionary
traits
on
acoustic
frequency
characteristics.
We
find
that
body
mass,
beak
size,
habitat
associations
geography
characteristics,
with
varying
degrees
interaction
song
acquisition
type.
no
evidence
for
vegetation
density,
sexual
dimorphism,
range
size
competition
our
measures
Our
results,
built
decades
researchers’
empirical
observations
collected
across
globe,
provide
new
breadth
about
how
processes
shape
communication.
Bioacoustics,
Journal Year:
2017,
Volume and Issue:
27(2), P. 165 - 181
Published: April 17, 2017
This
study
investigates
how
noise
reduction
(road
closure)
mitigates
the
effect
of
traffic
on
acoustic
communication
Eastern
wood
pewee
(Contopus
virens)
(EAWP),
a
suboscine
passerine.
Songs
were
passively
recorded
at
sites
where
pattern
nearest
road
was
either
relatively
constant
or
reduced
weekly
basis
during
36
h
closure.
Five
song
attributes,
low
frequency
amplitude
(LAeq)
measured
within
20
s
each
song,
and
full-spectrum
background
levels
characteristic
territory
analysed
in
order
to
better
understand
EAWP
respond
variation
levels.
adjusted
its
spectral
attributes
by
increasing
tonality
improve
transmission
immediate
response
fluctuations
noise.
The
results
suggest
that
adjustments
are
responses
time
their
instead
average
level
per
territory.
provides
understanding
is
affected
noise,
as
well
potential
mitigating
for
animal
communication.
Behavioral Ecology,
Journal Year:
2017,
Volume and Issue:
28(4), P. 974 - 982
Published: Feb. 27, 2017
Anthropogenic
sounds
influence
animal
vocal
behaviour,
species
distributions,
and
community
assemblages.
Natural
also
have
the
potential
to
affect
behaviour
ecology
of
animals,
but
it
is
currently
unknown
if
effects
natural
match
those
anthropogenic
sounds.
Here,
we
quantified
compared
on
avian
song
performance
by
calculating
trade-off
frontiers
based
trill
rate
bandwidth
2
emberizid
species.
Chipping
sparrows
(Spizella
passerina)
white-crowned
(Zonotrichia
luecophrys)
were
recorded
in
areas
with
without
sound
along
a
gradient
generated
from
ocean
surf,
respectively.
We
analysed
individuals'
relative
frontier
found
that
both
vocalizing
environments
louder
background
sang
songs
significantly
further
below
than
sung
birds
quiet
settings.
noisy
almost
twice
as
far
individuals
areas,
sparrow
declined
~25%
each
3
dB(A)
increase
environmental
sounds,
or
halving
size
signaller's
listening
area.
These
results
suggest
can
significant
effect
performance,
trait
known
outcome
male-male
contests
female
mate
choices.
Considering
are
pervasive,
acoustic
refuges
may
be
more
important
previously
thought,
development
infringing
larger
portions
prime
habitat
realize.
