Southeastern Naturalist,
Journal Year:
2023,
Volume and Issue:
22(3)
Published: Aug. 31, 2023
Ursus
americanus
(American
Black
Bear)
and
Alligator
mississippiensis
Alligator)
are
sympatric
in
areas
of
Florida.
During
summer,
alligators
build
nest
mounds
for
eggs
on
freshwater
shores,
shallow
marshes,
tree
islands.
Biologists
have
speculated
that
bears
might
prey
upon
alligator
nests
because
their
opportunistic
generalist
diet,
though
such
predation
Florida
has
not
been
documented
peer-reviewed
literature.
Herein,
we
report
3
photographed
events
American
Bear
Everglades
National
Park,
Big
Cypress
Preserve,
Dinner
Island
Ranch
Wildlife
Management
Area,
FL.
each
event,
dug
into
consumed
egg
contents.
The
varied
duration
from
36
minutes
to
nearly
5
hours.
1
a
female
bear
alongside
2
cubs
the
year.
Future
research
explore
extent
effect
populations
benefits
Bears.
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(11)
Published: Nov. 1, 2024
ABSTRACT
Florida,
USA
is
a
hotspot
of
biological
invasions
with
over
500
non‐native
species
reported.
Reptiles
encompass
most
the
wildlife
50
established,
many
which
are
sympatric
and
identified
as
invasive
due
to
their
impacts
environment,
economy,
human
health
safety.
Reports
new
reptiles
occur,
established
continue
expand
ranges
in
increasing
need
for
multitaxa
detection
monitoring
capabilities.
Invasive
constrictor
snakes
primary
focus
management
efforts
life
history
traits
that
favor
successful
establishment
dispersal
Florida
well
native
Everglades
restoration
efforts.
While
traditional
survey
methods
rely
on
visual
detections
fail
reliably
detect
constrictors,
environmental
DNA
(eDNA)
has
proven
be
promising
method
cryptic
rare
across
landscape.
To
address
emerging
needs
multispecies
we
developed
first
tetraplex
dPCR
assay
designed
four
snakes,
including
Burmese
pythons
(
Python
bivittatus
),
northern
African
P.
sebae
boa
constrictors
Boa
rainbow
boas
Epicrates
cenchria
).
In
this
assay,
no
cross‐amplification
was
documented.
This
serves
valuable
tool
faster
more
accurate
these
South
Florida.
Additionally,
eDNA
samples
comprised
soil
water
both
tested
positive
python
under
controlled
semicontrolled
conditions
being
detectable
up
2‐weeks
post
removal
samples.
Water
yielded
quickly
5
min
after
exposure
organism.
These
data
highlight
utility
sensitivity
protocol
monitoring.
Oxford University Press eBooks,
Journal Year:
2023,
Volume and Issue:
unknown, P. 175 - 198
Published: Dec. 14, 2023
Abstract
Globalization
is
the
increasing
interconnectedness
and
interdependence
of
different
countries
regions
that
exchange
goods,
services,
information,
people,
and…
infectious
diseases.
When
infected
people
move
around
planet,
they
can
spread
pathogens
to
naive
populations.
People
also
pathogens,
vectors,
animal
hosts
world,
sometimes
accidentally
(e.g.
vector
stowaways
on
ships)
purposefully
pet
trade).
a
pathogen,
vector,
or
host
establishes
in
region
outside
its
native
range
causes
harm
species,
it
considered
an
invasive
alien
species.
There
are
species
do
not
play
roles
life
cycles
but
which
influence
disease
dynamics
through
their
indirect
effects
system.
Journal of Zoology,
Journal Year:
2023,
Volume and Issue:
320(3), P. 236 - 247
Published: April 9, 2023
Abstract
The
ladder
snake
Zamenis
scalaris
was
first
reported
in
2006
Formentera
(Balearic
Islands,
Spain),
until
then
a
snake‐free
Mediterranean
island.
Since
2016,
intense
control
campaigns
have
been
carried
out
and,
for
the
time,
captures
over
2017–2020
used
to
analyze
sex
ratio,
age,
fat
percentage,
population
density,
and
seasonality
of
this
invasive
population.
male‐biased
ratio
found
present
work
could
be
result
capture
biases
caused
by
different
detection
probabilities
between
sexes.
A
reduction
body
length
time
observed,
which
indicate
depletion
larger
snakes
due
capture.
highest
frequencies
both
sexes
were
May
June,
coinciding
with
mate
searching
period
species
native
range
indicating
that
increase
their
movements
during
period.
Size‐specific
survivorship
curves
indicated
drop
at
medium
sizes,
suggested
survival
cost
associated
reproduction,
presumably
increased
mortality
mating
season.
Population
density
decreased
from
1.812
snakes/ha
2017
0.669
2020.
Evidence
obtained
has
allowed
evaluate
main
ecological
aspects
Z.
current
state
on
island
Formentera.
Results
showed
is
well
established
Formentera,
but
prolonged
its
decline.
This
study
becomes
starting
point
improve
management
programs
populations
Balearic
Islands.
Long‐term
as
improvement
adult
females
are
strongly
recommended
attempt
eradication
Southeastern Naturalist,
Journal Year:
2023,
Volume and Issue:
22(3)
Published: Aug. 31, 2023
Ursus
americanus
(American
Black
Bear)
and
Alligator
mississippiensis
Alligator)
are
sympatric
in
areas
of
Florida.
During
summer,
alligators
build
nest
mounds
for
eggs
on
freshwater
shores,
shallow
marshes,
tree
islands.
Biologists
have
speculated
that
bears
might
prey
upon
alligator
nests
because
their
opportunistic
generalist
diet,
though
such
predation
Florida
has
not
been
documented
peer-reviewed
literature.
Herein,
we
report
3
photographed
events
American
Bear
Everglades
National
Park,
Big
Cypress
Preserve,
Dinner
Island
Ranch
Wildlife
Management
Area,
FL.
each
event,
dug
into
consumed
egg
contents.
The
varied
duration
from
36
minutes
to
nearly
5
hours.
1
a
female
bear
alongside
2
cubs
the
year.
Future
research
explore
extent
effect
populations
benefits
Bears.
