Ecosphere,
Journal Year:
2024,
Volume and Issue:
15(8)
Published: Aug. 1, 2024
Abstract
Restoring
ecological
dynamics
is
a
key
objective
of
conservation
translocations.
Exemplarily,
reconnecting
the
reintroduced
alpine
populations
with
native
Pyrenean
through
re‐establishing
locally
extinct
in
between,
Causses
and
Pre‐Alps,
major
goal
for
long‐term
Bearded
Vultures
Europe.
Understanding
Vultures'
post‐release
movements
foraging
behavior
critical
to
understanding
settlement
newly
restored
supporting
measures.
The
telemetric
monitoring
43
translocated
wild‐born
juveniles
allowed
us
investigate
whether
differences
exist
during
first
year
life
between
populations.
Medium‐
long‐distance
exploration
start
spring
following
fledging
both
individuals.
However,
birds
most
distant
release
site
(Causses)
exhibited
greater
distances
no
clear
directional
movement
pattern,
had
smaller
home
ranges,
stronger
preference
supplementary
feeding
stations
than
those
from
other
Although
some
Pre‐Alps
displayed
similar
behaviors,
pattern
not
as
strong
Causses,
likely
because
proximity
breeding
Alps
or
number
management
stations.
Preference
(SFS)
mostly
occurred
populations,
but
was
lower
Causses.
Seasonal
variations
SFS
were
consistent
among
peak
fledging.
Beyond
documenting
Vultures,
we
suggest
better
accounting
demographic
consequences
behaviors
track
translocation
effectiveness,
at
local
regional
scales.
iScience,
Journal Year:
2023,
Volume and Issue:
26(5), P. 106699 - 106699
Published: April 20, 2023
Conservation
translocations
involving
vultures
rely
either
on
soft-
or
hard-release
strategies.
To
investigate
whether
these
strategies
affect
home
range
stability
and
survival,
we
compared
the
spatial
behavior
mortality
of
38
Griffon
(Gyps
fulvus)
released
in
Sardinia.
Griffons
were
after
no
acclimatization
3
(short)
15
(long
acclimatization)
months
an
aviary.
In
two
years
that
followed
their
release,
griffons
without
did
not
stabilize
size,
while
those
subjected
to
long
stabilized
it
second
year.
Short-acclimatized
always
had
a
large
range,
soon
release.
The
number
individuals
reached
sexual
maturity
was
higher
(71.4%)
long-acclimatized
than
short-acclimatized
ones
(40%)
hard
(28.6%).
Soft
release
with
period
seems
be
most
successful
method
ensure
stable
ranges
survival
griffon
vultures.
Royal Society Open Science,
Journal Year:
2024,
Volume and Issue:
11(7)
Published: July 1, 2024
Vultures
provide
the
key
ecosystem
service
of
quickly
removing
carrion,
so
they
have
recently
been
assumed
to
be
top
scavengers.
To
challenge
concept
scavenger
(i.e.
most
influential
in
scavenging
community
and
process),
between
2012
2019,
we
recorded
consumption
45
equine
carcasses
available
for
two
different
avian
guilds
Tropical
Andes;
each
guild
included
Andean
Condor,
alleged
scavenger.
The
eaten
by
Condors
were
consumed,
on
average,
1.75
times
faster
than
those
did
not
eat.
Furthermore,
greater
abundance
feeding
condors
shortened
carcass
time
more
a
any
other
species
1.65
5.96
times,
average.
These
findings
support
hypothesis
that
Condor
significantly
drives
dynamics
is,
therefore,
an
unrestricted
Additionally,
established
gradient
tolerance
scavengers
domestic
dog
disturbance
at
carcasses,
from
highest
lowest:
vultures
>
caracaras
condors.
Our
study
framework
holds
great
potential
advancing
food
webs’
comprehension
through
quantifying
relative
functional
role
communities’
members
guiding
efforts
weigh
up
ecological
contributions
foster
their
conservation.
Ecosphere,
Journal Year:
2024,
Volume and Issue:
15(8)
Published: Aug. 1, 2024
Abstract
Restoring
ecological
dynamics
is
a
key
objective
of
conservation
translocations.
Exemplarily,
reconnecting
the
reintroduced
alpine
populations
with
native
Pyrenean
through
re‐establishing
locally
extinct
in
between,
Causses
and
Pre‐Alps,
major
goal
for
long‐term
Bearded
Vultures
Europe.
Understanding
Vultures'
post‐release
movements
foraging
behavior
critical
to
understanding
settlement
newly
restored
supporting
measures.
The
telemetric
monitoring
43
translocated
wild‐born
juveniles
allowed
us
investigate
whether
differences
exist
during
first
year
life
between
populations.
Medium‐
long‐distance
exploration
start
spring
following
fledging
both
individuals.
However,
birds
most
distant
release
site
(Causses)
exhibited
greater
distances
no
clear
directional
movement
pattern,
had
smaller
home
ranges,
stronger
preference
supplementary
feeding
stations
than
those
from
other
Although
some
Pre‐Alps
displayed
similar
behaviors,
pattern
not
as
strong
Causses,
likely
because
proximity
breeding
Alps
or
number
management
stations.
Preference
(SFS)
mostly
occurred
populations,
but
was
lower
Causses.
Seasonal
variations
SFS
were
consistent
among
peak
fledging.
Beyond
documenting
Vultures,
we
suggest
better
accounting
demographic
consequences
behaviors
track
translocation
effectiveness,
at
local
regional
scales.
