Systematics of the avian family Alaudidae using multilocus and genomic data
Avian Research,
Journal Year:
2023,
Volume and Issue:
14, P. 100095 - 100095
Published: Jan. 1, 2023
The
family
Alaudidae,
larks,
comprises
93–100
species
(depending
on
taxonomy)
that
are
widely
distributed
across
Africa
and
Eurasia,
with
single
extending
their
ranges
to
North
northernmost
South
America
Australia.
A
decade-old
molecular
phylogeny,
comprising
∼80%
of
the
species,
revealed
multiple
cases
parallel
evolution
large
variation
in
rates
morphological
evolution,
which
had
misled
taxonomists
into
creating
many
non-monophyletic
genera.
Here,
we
reconstruct
phylogeny
using
a
dataset
covering
one
mitochondrial
16
nuclear
loci
all
except
currently
recognised
as
well
several
recently
proposed
new
(in
total
133
taxa;
not
available
for
species).
We
provide
additional
support
genome-wide
markers
infer
genus-level
based
near-complete
generic
sampling
51
samples
44
taxa
40
Our
results
confirm
previous
findings
rampant
convergence
divergence,
reveal
paraphyletic
propose
subfamily
classification,
also
genus
Mirafra
is
divided
four
genera
produce
more
balanced
classification
Alaudidae.
study
supports
splits
some
recent
lumps,
while
questioning
latter.
This
comprehensive
will
form
an
important
basis
future
studies,
such
comparative
studies
lark
natural
history,
ecology,
conservation.
Language: Английский
A complete and dynamic tree of birds
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 22, 2024
Abstract
We
present
a
complete,
time-scaled,
evolutionary
tree
of
the
world’s
bird
species.
This
unites
phylogenetic
estimates
for
9,239
species
from
262
studies
published
between
1990
and
2024,
using
Open
Tree
synthesis
algorithm.
The
remaining
are
placed
in
based
on
curated
taxonomic
information.
tips
this
complete
aligned
to
Clements
Taxonomy
used
by
eBird
other
resources,
cross-mapped
systems
including
Life
(Open
Tree),
National
Center
Biotechnology
Information
(NCBI),
Global
Biodiversity
Facility
(GBIF).
total
number
named
varies
10,824
11,017
across
taxonomy
versions
we
applied
(v2021,
v2022
v2023).
share
trees
each
version.
procedure,
software
data-stores
generate
public
reproducible.
presented
here
is
Aves
v1.2
can
be
easily
updated
with
new
information
as
published.
demonstrate
types
large
scale
analyses
data
resource
enables
linking
geographic
phylogeny
calculate
regional
diversity
birds
world.
will
release
translation
tables
annually.
procedure
describe
developing
any
group
interest.
Significance
statement
Birds
charismatic
-
well
loved,
highly
studied.
Many
phylogenies
elucidating
avian
relationships
every
year.
have
united
hundreds
create
all
birds.
While
variety
resources
aggregate
huge
collections
trait,
behavior
location
birds,
previously
barriers
these
history
limited
opportunities
do
exciting
analyses.
bridged
that
gap,
developed
system
allows
us
update
our
understanding
evolution
generated.
workflow
needed
group.
Language: Английский
Unilocus delimitation methods reveal the underestimated species diversity of Thomasomys (Rodentia, Cricetidae)
Zoologica Scripta,
Journal Year:
2024,
Volume and Issue:
53(6), P. 763 - 788
Published: July 18, 2024
Abstract
Thomasomys
is
the
most
diverse
genus
of
Sigmodontinae
subfamily,
comprising
at
least
51
species.
Despite
recent
systematic
advances,
monophyly
this
genus,
proposed
species
groups
and
their
content,
limits
are
not
yet
firmly
established.
Using
a
well‐sampled
mitochondrial
dataset,
we
aim
to
test
infer
phylogenetic
relationships
among
between
valid
candidate
For
this,
used
large
matrix
272
partial
non‐redundant
sequences
cytochrome
b
gene
from
40
20
probabilistic
approaches
on
inferred
explored
boundaries
using
four
unilocus
delimitation
methods
(ABGD,
ASAP,
bPTP
GMYC).
sensu
stricto
was
recovered
monophyletic
well‐supported,
excluding
Peruvian
lineage
misidentified
as
part
genus.
Analyses
consistently
10
well‐supported
major
clades
several
paraphyletic
or
polyphyletic
Delimitation
genetic
divergences
estimated
that
comprises
81
93
putative
species,
thus
potentially
doubling
diversity
.
Such
result
clearly
calls
for
an
urgent
taxonomic
revision
use
further
molecular
loci
within
integrative
approach
describe
its
understand
evolutionary
history.
Language: Английский
Description of a new species within the Satyrium longicauda (Orchidaceae) complex from South Africa, based on integrative taxonomy
South African Journal of Botany,
Journal Year:
2022,
Volume and Issue:
148, P. 379 - 386
Published: May 14, 2022
Although
delimitations
of
plant
species
are
traditionally
based
on
the
study
herbarium
specimens,
new
can
also
be
identified
using
multiple
lines
evidence
(integrative
taxonomy).
An
integrative
approach
was
implemented
to
identify
a
orchid
genus
Satyrium
from
Midlands
area
KwaZulu-Natal,
South
Africa,
described
here
as
S.
cernuum.
This
shares
an
overall
similar
floral
morphology
with
five
other
sympatric
morphotypes
within
longicauda
complex
reported
type
locality
but
diagnosed
by
combination
vegetative
and
traits
flowering
phenology.
According
published
phylogeny
DNA
sequences,
forms
monophyletic
clade
that
is
nested
supported
sister
morphotype
uniquely
characterised
single
erect
leaf.
The
differs
this
orientation
its
flowers
which
obtuse
(vs.
right-angled)
relative
inflorescence
stem,
spreading
recurved)
sepals,
relatively
short
long)
spurs
lack
nectar
production
elevated
levels
diacetin,
fatty-acid
derived
compound.
Other
differ
in
number
position
their
leaves
later
period.
In
addition,
exclusively
pollinated
diurnally
oil-collecting
bee
Rediviva
neliana,
rather
than
being
nocturnally
settling
moths
hawkmoths;
it
thus
reproductively
isolated
morphotypes.
formal
recognition
species,
known
two
adjacent
populations
occupancy
≤1
km2
makes
matter
immediate
conservation
concern.
identification
key
including
newly
provided.
shows
value
taxonomy
African
flora
for
recently
diverged
taxa.
Language: Английский
Intraspecific variation of three plumage-cryptic bulbul species
Journal of Asia-Pacific Biodiversity,
Journal Year:
2024,
Volume and Issue:
17(3), P. 411 - 422
Published: March 11, 2024
Bird
songs
and
morphometry
are
frequently
used
to
distinguish
bird
species
which
plumage-cryptic,
or
delineate
subspecies
boundaries.
Rubigula
flaviventris,
Pycnonotus
finlaysoni
Brachypodius
melanocephalos
have
each
recognized
along
the
Thai-Malay
Peninsula,
however
range-limit
of
distribution
is
still
ambiguous
genetic
data
from
a
previous
own
study
suggests
revision
barriers
warranted.
To
analyse
boundaries
based
on
potential
song
morphometric
traits,
we
recorded,
measured,
analysed
characters
three
bulbuls
Peninsula.
The
geographic
variation
differs
significantly
for
specific
traits;
however,
could
not
find
any
trait
discontinuities
that
would
be
in
accordance
with
previously
documented
phylogeographic
divides.
Instead
was
mostly
clinal
followed
North-South
gradient
line
Bergmann's
rule.
Due
lack
distinctiveness
subspecific
taxon,
conclude
shallow
divides
Peninsula
indicative
species-level
splits
our
study.
Language: Английский
Disjunct resident population of Melodious Lark Mirafra cheniana discovered in East Africa
Journal of Ornithology,
Journal Year:
2022,
Volume and Issue:
164(1), P. 55 - 71
Published: Aug. 22, 2022
Abstract
We
describe
the
discovery
of
a
previously
unknown
population
Melodious
Lark
Mirafra
cheniana
from
northern
Tanzania
and
southern
Kenya,
some
2000
km
north
what
was
thought
to
be
its
limit
in
central
Zimbabwe.
The
identification
this
as
M.
is
based
primarily
on
analyses
mitochondrial
DNA
song.
also
clarify
relationships
within
genus
by
sequencing
material
White-tailed
albicauda
for
first
time;
although
with
other
species
group
remain
unclear,
our
clearly
show
it
different
newly
discovered
population.
East
Africa
conforms
known
pattern
closely
related
lark
have
disjunct
distributions
eastern
Africa.
Language: Английский
Systematics of Thraupis (Aves, Passeriformes) reveals an extensive hybrid zone between T. episcopus (Blue-gray Tanager) and T. sayaca (Sayaca Tanager)
PLoS ONE,
Journal Year:
2022,
Volume and Issue:
17(10), P. e0270892 - e0270892
Published: Oct. 5, 2022
The
Neotropical
avian
genus
Thraupis
(Passeriformes,
Thraupidae)
currently
comprises
seven
species
that
are
widespread
and
abundant
throughout
their
ranges.
However,
no
phylogenetic
hypothesis
with
comprehensive
intraspecific
sampling
is
available
for
the
group
and,
therefore,
accepted
limits
remain
untested.
We
obtained
sequence
data
two
mitochondrial
(ND2,
cyt-b)
three
non-coding
nuclear
(TGFB2,
MUSK,
βF5)
markers
from
118
vouchered
museum
specimens.
conducted
population
structure
coalescent-based
species-tree
analyses
using
a
molecular
clock
calibration.
integrated
these
results
morphometric
coloration
of
1,003
specimens
to
assess
within
.
Our
confirm
monophyletic
support
its
origin
in
late
Miocene
subsequent
diversification
during
Pleistocene.
we
found
conflicts
previous
phylogenies.
recovered
glaucocolpa
be
sister
all
other
genus,
T
cyanoptera
remaining
five
species.
trees
uncovered
phylogeographic
episcopus
congruent
geographic
patterns
phenotypic
variation
distributions
some
named
taxa.
first
genetic
cluster
occurs
east
Andes
diagnosed
by
white
patch
on
lesser
median
wing
coverts,
whereas
second
has
blue
distributes
west
Colombia’s
eastern
Andes.
Finally,
present
evidence
hybridization
ongoing
gene
flow
between
several
taxa
at
different
taxonomic
levels
discuss
implications.
Language: Английский