Local song evolution after three decades in a complex songster, the Thrush Nightingale
Abel Souriau,
No information about this author
Jorma Sorjonen,
No information about this author
Adam Petrusek
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et al.
Avian Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100224 - 100224
Published: Jan. 1, 2025
Language: Английский
Recognition of bird species with birdsong records using machine learning methods
Yi Tang,
No information about this author
Chenshu Liu,
No information about this author
Xiang Yuan
No information about this author
et al.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(2), P. e0297988 - e0297988
Published: Feb. 23, 2024
The
recognition
of
bird
species
through
the
analysis
their
vocalizations
is
a
crucial
aspect
wildlife
conservation
and
biodiversity
monitoring.
In
this
study,
acoustic
features
Certhia
americana
,
brachydactyla
familiaris
were
calculated
including
Acoustic
complexity
index
(ACI),
diversity
(ADI),
evenness
(AEI),
Bioacoustic
(BI),
Median
amplitude
envelop
(MA),
Normalized
Difference
Soundscape
Index
(NDSI).
Three
machine
learning
models,
Random
Forest
(RF),
Support
Vector
Machine
(SVM),
Extreme
Gradient
Boosting
(XGBoost),
constructed.
results
showed
that
XGBoost
model
had
best
performance
among
three
with
highest
accuracy
(0.8365)
AUC
(0.8871).
This
suggests
an
effective
tool
for
based
on
indices.
study
provides
new
approach
to
utilizes
sound
data
characteristics.
Language: Английский
Foreign–local microdialect discrimination in a songbird, the black redstart
Animal Behaviour,
Journal Year:
2024,
Volume and Issue:
210, P. 113 - 125
Published: Feb. 21, 2024
Language: Английский
Avian Song over Time: Variability and Stability
В. В. Иваницкий,
No information about this author
И. М. Марова
No information about this author
Biology Bulletin,
Journal Year:
2024,
Volume and Issue:
51(7), P. 2165 - 2173
Published: Nov. 25, 2024
Language: Английский
Geographic variations of song and rain calls of the Chaffinch across the ranges of three subspecies
В. В. Иваницкий,
No information about this author
И. В. Самсонова,
No information about this author
И. М. Марова
No information about this author
et al.
Ornis Hungarica,
Journal Year:
2023,
Volume and Issue:
31(2), P. 49 - 60
Published: Dec. 1, 2023
Abstract
We
analyze
the
variability
of
Chaffinch’s
(Fringilla
coelebs)
song
and
rain
calls
in
20
populations
localized
along
a
transect
about
3,000
km,
crossing
territory
European
Russia
between
White
Sea,
Crimean
Peninsula
Caucasus
Mountains.
Three
subspecies
Chaffinch
inhabit
this
area:
(F.
c.
,
Caucasian
caucasicus)
solomkoi)
.
The
results
cluster
analysis
based
on
show
that
Crimea
southeastern
Dagestan
stand
out
most.
All
other
fall
clearly
into
two
clusters
corresponding
to
subspecies.
In
most
vast
range
Russia,
“buzzing”
dialect
call
is
widespread.
Only
extreme
northwest
it
replaced
by
whistling
dialect.
Ciscaucasia,
Chaffinches
also
emit
exclusively
sounds,
but
completely
different
structure.
Western
Caucasus,
perform
having
unique
two-syllable
peninsula
inhabited
as
well,
although
frequency
modulation
its
from
discuss
spatial
distribution
types
dialects
within
ranges
contact
zones
them.
Language: Английский
THE AVIAN SONG OVER TIME: VARIABILITY AND STABILITY
В. В. Иваницкий,
No information about this author
И. М. Марова
No information about this author
Зоологический журнал,
Journal Year:
2023,
Volume and Issue:
102(10), P. 1118 - 1126
Published: Oct. 1, 2023
Information
is
reviewed
on
the
dynamics
of
bird
singing
over
time,
analyzing
rate
change
in
individual
and
population
repertoires,
considering
factors
affecting
such
changes.
The
available
data
indicate
very
significant
periods
persistence
vocal
patterns
(song
types)
songbird
populations.
repertoires
higher
species
with
an
unlimited
period
imprinting
a
song
compared
to
fixed
period.
repertoire
types
numerous
populations
inhabiting
vast
continuous
habitats
more
stable
than
small
isolated
occupying
structurally
fragmented
habitats.
most
common
are
conserved
from
year
year,
while
rare
variants
often
disappear
time.
Abnormal
climatic
phenomena
that
cause
changes
age
composition
contribute
rapid
dialects.
cases
synchronous
individuals
local
populations,
as
well
separated
each
other
by
great
distance,
considered
detail.
causes
give
rise
this
need
further
research.
likely
reasons
may
be
exchange
models
at
wintering
grounds
or
simultaneous
introduction
large
number
migrants
into
study
which
open
training
also
borrowing
new
models.
Language: Английский