Sounds of the northern Andes: the calls of a diverse and endangered frog community (Amphibia, Anura) from Ecuador
ZooKeys,
Journal Year:
2025,
Volume and Issue:
1224, P. 211 - 252
Published: Jan. 30, 2025
The
emission
of
calls
is
one
the
most
distinctive
and
important
reproductive
traits
in
anurans.
Given
biological
significance
vocalizations,
this
trait
also
useful
for
identification
proposes
key
recognizing
cryptic
diversity.
However,
majority
from
tropical
ecosystems,
especially
high
Andean
mountains,
are
unknown.
Between
2016
2021,
a
total
14
expeditions
were
conducted
to
forests
moorlands
eastern
western
Mountain
range
province
Carchi-Ecuador,
at
elevations
ranging
2694
3848
m
a.s.l.
objective
these
was
record
anuran
fauna
present
ecosystems.
In
total,
30
species
recorded,
20
described,
15
which
described
reported
first
time
study.
call
Hyloxalus
delatorreae
,
critically
endangered
species,
with
remarkable
recording
Niceforonia
brunnea
considered
mute.
addition,
nine
candidate
including
Pristimantis
farisorum
Ecuador.
This
study
represents
comprehensive
accurate
acoustic
documentation
highland
community,
will
facilitate
taxonomic
conservation
work
area.
Language: Английский
The acoustic adaptation hypothesis across terrestrial vertebrates: a meta-analysis
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 21, 2024
Acoustic
communication
plays
a
prominent
role
in
various
ecological
and
evolutionary
processes
involving
social
interactions.
The
properties
of
acoustic
signals
are
thought
to
be
influenced
not
only
by
the
interaction
between
signaller
receiver
but
also
characteristics
environment
through
which
signal
is
transmitted.
This
conjecture
forms
core
so-called
"acoustic
adaptation
hypothesis"
(AAH),
posits
that
vegetation
structure
affects
frequency
temporal
parameters
emitted
as
function
their
degradation
properties.
Specifically,
animals
densely
vegetated
'closed
habitats'
expected
produce
longer
with
lower
repetition
rates
frequencies
(minimum,
mean,
maximum,
peak)
compared
ones
inhabiting
less
'open
habitats'.
To
date,
this
hypothesis
has
received
mixed
results,
level
support
depending
on
taxonomic
group
methodology
used.
We
conducted
systematic
literature
search
empirical
studies
testing
for
an
effect
signalling
assessed
generality
AAH
using
meta-analytic
approach
based
371
sizes
from
75
57
taxa
encompassing
birds,
mammals
amphibians.
Overall,
our
results
do
provide
consistent
AAH,
neither
within-species
comparisons
(suggesting
no
overall
phenotypically
plastic
response
structure)
nor
among-species
response).
However,
when
considering
birds
only,
we
found
weak
comparisons,
was
mainly
driven
measured
bandwidth,
suggesting
variable
may
exhibit
structure.
For
significant
after
excluding
comparative
did
account
phylogenetic
non-independence.
Collectively,
synthesis
does
universal
evolution
communication.
highlight
need
more
work
currently
under-studied
such
amphibians,
mammals,
insects.
Furthermore,
propose
framework
future
research
AAH.
specifically
advocate
detailed
quantitative
characterization
habitats
identify
highest
detection
probability
determine
if
greater
distances
preferentially
Finally,
stress
tests
should
focus
selected
increased
transmission
distance.
Language: Английский
Time and place affect the acoustic structure of frog advertisement calls
Current Zoology,
Journal Year:
2024,
Volume and Issue:
71(2), P. 196 - 204
Published: July 26, 2024
Abstract
Acoustic
communication
signals
are
important
for
species
recognition
and
mate
attraction
across
numerous
taxa.
For
instance,
most
of
the
thousands
frogs
have
a
species-specific
advertisement
call
that
females
use
to
localize
discriminate
among
potential
mates.
Thus,
acoustic
structure
is
critical
reproductive
success.
The
calls
will
generally
diverge
over
evolutionary
time
can
be
influenced
by
sympatric
species.
While
many
studies
shown
influence
geography
on
contemporary
variation
in
populations
frogs,
no
study
has
compared
frog
ask
whether
we
detect
an
divergence
overall
geographic
overlap
differences
species-typical
observe
now.
To
this
end,
features
225
within
4
families.
Furthermore,
used
behavioral
assay
from
1
determine
which
prioritize
our
large-scale
analyses.
We
found
evidence
both
phylogeny
(time)
(place)
relate
acoustics
albeit
with
large
these
relationships
families
analysis.
Overall,
results
suggest
that,
despite
ecological
forces
structure,
broad
place
shape
aspects
acoustics.
Language: Английский
Simplifying the Centrolene buckleyi complex (Amphibia: Anura: Centrolenidae): a taxonomic review and description of two new species
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17712 - e17712
Published: Aug. 20, 2024
Centrolenidae
is
a
Neotropical
family
widely
distributed
in
Central
and
South
America,
with
its
species
richness
concentrated
the
tropical
Andes.
Several
taxonomic
problems
have
been
identified
within
this
family,
mostly
related
to
broad
geographic
distributions.
In
study,
we
assessed
redefined
boundaries
of
Centrolene
buckleyi
complex,
formally
described
two
new
from
Andes
Ecuador.
These
taxa
are
recognized
by
combination
morphometric,
osteological,
acoustic,
genetic
data.
Following
IUCN
criteria,
propose
that
should
be
considered
as
Endangered
(EN),
mainly
because
their
small
distributions
habitat
loss.
The
C.
complex
provides
insights
into
biogeography
closely
Andean
species.
As
other
glassfrogs,
speciation
seems
mediated
linearity
Andes,
where
gene
flow
can
restricted
topography
and,
also,
local
extinctions.
Language: Английский
Meta‐analysis of the acoustic adaptation hypothesis reveals no support for the effect of vegetation structure on acoustic signalling across terrestrial vertebrates
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
ABSTRACT
Acoustic
communication
plays
a
prominent
role
in
various
ecological
and
evolutionary
processes
involving
social
interactions.
The
properties
of
acoustic
signals
are
thought
to
be
influenced
not
only
by
the
interaction
between
signaller
receiver
but
also
characteristics
environment
through
which
signal
is
transmitted.
This
conjecture
forms
core
so‐called
“acoustic
adaptation
hypothesis”
(AAH),
posits
that
vegetation
structure
affects
frequency
temporal
parameters
emitted
as
function
their
degradation
properties.
Specifically,
animals
densely
vegetated
“closed
habitats”
expected
produce
longer
with
lower
repetition
rates
frequencies
(minimum,
mean,
maximum,
peak)
compared
those
inhabiting
less‐vegetated
“open
habitats”.
To
date,
this
hypothesis
has
received
mixed
results,
level
support
depending
on
taxonomic
group
methodology
used.
We
conducted
systematic
literature
search
empirical
studies
testing
for
an
effect
signalling
assessed
generality
AAH
using
meta‐analytic
approach
based
371
sizes
from
75
57
taxa
encompassing
birds,
mammals
amphibians.
Overall,
our
results
do
provide
consistent
AAH,
neither
within‐species
comparisons
(suggesting
no
overall
phenotypically
plastic
response
structure)
nor
among‐species
response).
However,
when
considering
birds
only,
we
found
weak
comparisons,
was
mainly
driven
measured
bandwidth,
suggesting
variable
may
exhibit
structure.
For
significant
after
excluding
comparative
did
account
phylogenetic
non‐independence.
Collectively,
synthesis
does
universal
evolution
communication.
highlight
need
more
work
currently
under‐studied
such
amphibians,
mammals,
insects.
Furthermore,
propose
framework
future
research
AAH.
specifically
advocate
detailed
quantitative
characterisation
habitats
identify
highest
detection
probability
determine
if
greater
distances
preferentially
Finally,
stress
tests
should
focus
selected
increased
transmission
distance.
Language: Английский
A new glassfrog of the genus Centrolene (Amphibia, Centrolenidae) from the Subandean Kutukú Cordillera, eastern Ecuador
Zoosystematics and Evolution,
Journal Year:
2024,
Volume and Issue:
100(3), P. 923 - 939
Published: July 8, 2024
We
describe
a
new
species
of
Centrolene
from
the
Subandean
Cordillera
Kutukú
in
southeastern
Ecuador.
The
differs
all
other
glassfrogs
by
combination
following
characters:
presence
processes
vomers
but
without
vomerine
teeth;
humeral
spines
males;
dorsum
green
with
light
dots
and
dark
marks;
dorsal
skin
abundant
tubercles;
visceral
peritonea
translucent
(except
for
pericardium);
small
body
size
(snout-vent
length
21.5–21.9
mm
adult
males).
is
sister
to
camposi
Western
Andes
southwestern
Ecuador,
together
they
form
clade
C.
condor
Cóndor
Our
time
tree
suggests
that
originated
at
end
Pliocene.
In
addition,
we
present
information
zarza
,
expanding
its
geographic
range
across
cordilleras,
amending
definition
diagnosis,
offering
on
natural
history
extinction
risk.
also
discuss
taxonomic
status
Ecuadorian
populations
reported
as
huilensis
conclude
are
muelleri
based
their
close
phylogenetic
relationships
morphological
similarity
samples
Peru.
valid
not
closely
related
.
Language: Английский
Unexplored Urban Diversity: A New Species of Adenomera (Anura, Leptodactylidae) Related to Adenomera ajurauna from the Atlantic Forest of Southeastern and Southern Brazil
Herpetologica,
Journal Year:
2024,
Volume and Issue:
80(3)
Published: July 29, 2024
Language: Английский
Geographical variation in the advertisement calls of Leptobrachella ventripunctata (Anura: Megophryidae) in Southwestern China
Chao-Bo Feng,
No information about this author
Tuo Shen,
No information about this author
Lang Mu
No information about this author
et al.
Asian Herpetological Research,
Journal Year:
2024,
Volume and Issue:
15(3), P. 140 - 151
Published: Sept. 1, 2024
Language: Английский
Uncoupled Evolutionary Patterns in Spectral and Temporal Components of Acoustic Signals in Anurans Associated With Streams
Ethology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
ABSTRACT
The
use
of
high‐pitched
auditory
signals
by
species
communicating
alongside
noisy
streams
has
been
often
considered
an
adaptation,
yet
studies
testing
this
hypothesis
have
yielded
inconclusive
results.
major
challenge
to
quantify
the
proportion
across‐species
signal
variation
that
could
be
attributed
either
common
history
(phylogenetic
load)
or
adaptation.
We
further
advance
in
approach
comparing
phylogenetic
load
between
different
components
anuran
calls.
Because
stream
noise
allegedly
represents
a
stronger
selective
pressure
for
call
frequency
than
temporal
traits,
we
predicted
weaker
frequency,
particularly
taxa
breed
streams.
first
built
using
four
mitochondrial
genes
on
each
three
clades:
genus
Hyloscirtus
and
family
Centrolenidae,
which
subfamily
Phyllomedusinae,
known
at
lentic
water
bodies.
In
parallel,
compiled
data
advertisement
calls
154
used
them
calculate
Blomberg's
K
values
as
proxy
(signal)
traits.
was
spectral
traits
within
weak
absent
both
Phyllomedusine
Against
our
expectations,
strong
but
centrolenid
Our
results
support
uncoupled
evolution
They
also
indicate
role
abiotic
varies
among
other
factors
must
invoked
fully
understand
among‐species
Language: Английский
Allometric Constraint Predominates Over the Acoustic Adaptation Hypothesis in a Radiation of Neotropical Treefrogs
Integrative Zoology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 10, 2024
Male
frogs
emit
stereotypical
advertisement
calls
to
attract
mates
and
deter
conspecific
rivals.
The
evolution
of
these
is
thought
be
linked
anatomical
constraints
the
acoustic
characteristics
their
surroundings.
adaptation
hypothesis
(AAH)
posits
that
species
evolve
maximize
propagation
distance
reduce
signal
degradation
in
environment
where
they
are
emitted.
We
applied
phylogenetic
comparative
analyses
study
association
body
size,
vegetation
density,
type
aquatic
ecosystem,
calling
site
on
traits
Cophomantini,
a
large
radiation
Neotropical
treefrogs
(Hylidae).
obtained
analyzed
acoustic,
habitat
data
from
total
112
(58%
Cophomantini),
using
most
inclusive
available
phylogeny.
found
significant
negative
correlation
between
peak
frequency,
site,
but
contrary
predictions
AAH,
we
did
not
find
support
for
associations
among
call
environmental
characteristics.
Although
spectral
allometry
explained
by
an
constraint,
it
could
also
maintained
female
choice.
recommend
future
studies
strive
incorporate
factors
such
as
mate
preferences,
eavesdropping
predators
or
parasites,
genetic
drift.
Language: Английский