American Journal of Primatology,
Journal Year:
2022,
Volume and Issue:
84(12)
Published: Oct. 31, 2022
Examining
the
relationship
between
food
and
primate
social
organization
helps
us
understand
how
environment
shaped
hominin
evolution.
However,
there
is
debate
as
to
whether
differences
our
two
closest
relatives,
bonobos
(Pan
paniscus)
chimpanzees
troglodytes),
are
due
in
availability
their
respective
habitats
or
nonenvironmental
factors.
The
most
prominent
theory
that
bonobo
communities
have
more
socially
cohesive,
stable
parties,
centered
on
gregarious
females
because
they
evolved
food-rich
habitat
where
individuals,
especially
females,
less
burdened
by
competition
with
groupmates.
research
seasonal
variation
needed.
This
study
measured
at
Luzaka,
a
new
site
forest
fragment.
Fruit
abundance
dispersion
were
recorded
for
year
Luzaka
same
methods
used
Wamba,
seasonally
terrestrial
herbaceous
vegetation
density
was
measured.
At
parties
also
using
camera
traps.
dispersed
than
Wamba.
of
resembled
sites.
There
minor
effects
fruit
clumping
party
size
without
proportion
suggesting
slightly
affected
cohesiveness
but
does
not
disproportionately
affect
females.
Bonobo
female
gregariousness
appears
consistent
compatible
habitat.
Animals,
Journal Year:
2020,
Volume and Issue:
10(1), P. 132 - 132
Published: Jan. 14, 2020
Camera
trapping
has
become
an
increasingly
reliable
and
mainstream
tool
for
surveying
a
diversity
of
wildlife
species.
Concurrent
with
this
been
increasing
effort
to
involve
the
wider
public
in
research
process,
approach
known
as
‘citizen
science’.
To
date,
millions
people
have
contributed
across
wide
variety
disciplines
result.
Although
their
value
engagement
was
recognised
early
on,
camera
traps
were
initially
ill-suited
citizen
science.
As
trap
technology
evolved,
cameras
more
user-friendly
enormous
quantities
data
they
now
collect
led
researchers
seek
assistance
classifying
footage.
This
made
prime
candidate
science,
reflected
by
large
number
projects
integrating
participation.
Researchers
are
also
turning
Artificial
Intelligence
(AI)
assist
classification
rapidly-advancing
field
is
already
proving
useful
tool,
accuracy
variable
AI
does
not
provide
social
benefits
associated
science
approaches.
We
propose,
solution,
efforts
combine
improve
efficiency
while
maintaining
involvement.
Conservation Science and Practice,
Journal Year:
2020,
Volume and Issue:
2(8)
Published: June 19, 2020
Abstract
Camera
traps
(CTs)
are
an
increasingly
popular
method
of
studying
animal
behavior.
However,
the
impact
cameras
on
detected
individuals—such
as
from
mechanical
noise,
odor,
and
emitted
light—has
received
relatively
little
attention.
These
impacts
particularly
important
in
behavioral
studies
conservation
that
seek
to
ascribe
changes
behavior
relevant
environmental
factors.
In
this
article,
we
discuss
three
sources
bias
using
CTs:
(a)
disturbance
caused
by
cameras;
(b)
variation
animal‐detection
parameters
across
camera
models;
(c)
biased
detection
individuals
age,
sex,
classes.
We
propose
several
recommendations
aimed
at
mitigating
responses
CTs
wildlife.
Our
offer
a
platform
for
development
more
rigorous
robust
CT
technology
and,
if
adopted,
would
result
greater
applied
benefits
management.
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(15)
Published: April 3, 2023
Humans
are
unique
in
their
sophisticated
culture
and
societal
structures,
complex
languages,
extensive
tool
use.
According
to
the
human
self-domestication
hypothesis,
this
set
of
traits
may
be
result
an
evolutionary
process
self-induced
domestication,
which
humans
evolved
less
aggressive
more
cooperative.
However,
only
other
species
that
has
been
argued
self-domesticated
besides
so
far
is
bonobos,
resulting
a
narrow
scope
for
investigating
theory
limited
primate
order.
Here,
we
propose
animal
model
studying
self-domestication:
elephant.
First,
support
our
hypothesis
with
cross-species
comparison,
suggests
elephants
indeed
exhibit
many
features
associated
(e.g.,
reduced
aggression,
increased
prosociality,
extended
juvenile
period,
playfulness,
socially
regulated
cortisol
levels,
vocal
behavior).
Next,
present
genetic
evidence
reinforce
proposal,
showing
genes
positively
selected
enriched
pathways
domestication
include
several
candidate
previously
domestication.
We
also
discuss
explanations
what
have
triggered
elephant
lineage.
Our
findings
idea
elephants,
like
self-domesticated.
Since
most
recent
common
ancestor
likely
all
placental
mammals,
important
implications
convergent
evolution
beyond
taxa,
constitute
advance
toward
understanding
how
why
shaped
humans'
cultural
niche.
Journal of Applied Ecology,
Journal Year:
2020,
Volume and Issue:
57(5), P. 963 - 974
Published: March 30, 2020
Abstract
With
animal
species
disappearing
at
unprecedented
rates,
we
need
an
efficient
monitoring
method
providing
reliable
estimates
of
population
density
and
abundance,
critical
for
the
assessment
status
trend.
We
deployed
160
camera
traps
(CTs)
systematically
over
743
locations
covering
17,127
km
2
evergreen
lowland
rainforest
Salonga
National
Park,
block
South,
Democratic
Republic
Congo.
evaluated
applicability
CT
distance
sampling
(CTDS)
to
different
in
size
behaviour.
To
improve
precision
estimates,
two
methods
estimating
species'
availability
(
‘A’
)
detection
by
CTs.
recorded
16,700
video
clips,
revealing
43
taxa.
estimated
densities
14
differing
physical,
behavioural
ecological
traits,
extracted
species‐specific
from
available
footage
using
(a)
‘ACa’
(Cappelle
et
al.
[2019]
Am
.
J
Primatol
.,
81,
e22962)
(b)
‘ARo’
(Rowcliffe
[2014]
Methods
Ecol
Evol
5,
1170).
sample
sizes
being
large
enough,
found
minor
differences
between
ACa
ARo
densities.
In
contrast,
low
detectability
reactivity
were
main
sources
bias.
CTDS
proved
homogenously
rather
than
patchily
distributed
species.
Synthesis
applications.
Our
application
trap
a
diverse
vertebrate
community
demonstrates
enormous
potential
this
methodology
surveys
terrestrial
wildlife,
allowing
rapid
assessments
trends
that
can
translate
into
effective
conservation
strategies.
By
first
understudied
such
as
Congo
peafowl,
giant
ground
pangolin
cusimanses,
may
be
used
tool
revise
these
IUCN
Red
List
Threatened
Species.
Based
on
constraints
encountered,
identify
improvements
current
application,
enhancing
general
method.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2020,
Volume and Issue:
95(5), P. 1167 - 1197
Published: April 19, 2020
ABSTRACT
The
study
of
innovation
in
non‐human
animals
(henceforth:
animals)
has
recently
gained
momentum
across
fields
including
primatology,
animal
behaviour
and
cultural
evolution.
Examining
the
rate
innovations,
cognitive
mechanisms
driving
these
innovations
species,
can
provide
insights
into
evolution
human
culture.
Especially
relevant
to
culture
is
one
our
closest
living
relatives,
chimpanzee
(
Pan
troglodytes
).
Both
wild
captive
chimpanzees
demonstrate
an
impressive
ability
innovate
solutions
novel
problems,
but
also
a
striking
level
conservatism
some
contexts,
creating
unique
at
times
puzzling,
picture
innovation.
Whilst
field
rife
with
potential
for
expanding
knowledge
cognition
problem‐solving,
it
undermined
by
lack
consistency
studies.
yet
settle
on
definition
term
‘innovation’,
leading
studies
being
incomparable
even
within
same
species.
Here,
we
fill
two
gaps
literature.
First,
discuss
most
prevalent
definitions
‘innovation’
from
different
fields,
highlighting
similarities
differences
between
them.
Secondly,
up‐to‐date
review
accounts
both
chimpanzees.
We
hope
this
will
resource
researchers
interested
other
animals,
as
well
emphasising
need
way
which
are
reported.
American Journal of Primatology,
Journal Year:
2019,
Volume and Issue:
81(3)
Published: Feb. 27, 2019
The
extension
of
distance
sampling
methods
to
accommodate
observations
from
camera
traps
has
recently
enhanced
the
potential
remotely
monitor
multiple
species
without
need
additional
data
collection
(sign
production
and
decay
rates)
or
individual
identification.
However,
method
requires
that
proportion
time
is
quantifiable
when
animals
can
be
detected
by
cameras.
This
problematic,
for
instance,
spend
above
ground,
which
case
most
primates.
In
this
study,
we
aimed
validate
trap
(CTDS)
semiarboreal
western
chimpanzee
(Pan
troglodytes
verus)
in
Taï
National
Park,
Côte
d'Ivoire
estimating
abundance
a
population
known
size
comparing
estimates
those
other
commonly
applied
methods.
We
estimated
using
CTDS
accounted
limited
availability
detection
(semiarboreal).
evaluated
bias
precision
estimates,
as
well
costs
efforts
required
obtain
them,
compared
them
spatially
explicit
capture-recapture
(SECR)
line
transect
nest
surveys.
Abundance
obtained
SECR
produced
similar
negligible
bias,
but
yielded
larger
coefficient
variation
(CV
=
39.70%
vs.
1%/19%
SECR).
Line
transects
generated
biased
better
(27.40-27.85%)
than
CTDS.
Camera
surveys
were
twice
more
costly
because
initial
cost
cameras,
while
much
field.
study
demonstrates
unbiased
like
chimpanzees
HIGHLIGHTS:
accurate
density
chimpanzees.
Availability
must
derived
activity
pattern.
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2020,
Volume and Issue:
287(1929), P. 20200523 - 20200523
Published: June 24, 2020
Several
theories
have
been
generated
to
understand
the
socio-cognitive
mechanisms
underlying
unique
cooperative
abilities
of
humans.
The
'interdependence
hypothesis'
posits
first,
that
cognitive
dimension
human
cooperation
evolved
in
contexts
when
several
individuals
needed
act
together
achieve
a
common
goal,
like
hunting
large
prey.
Second,
more
interdependent
are,
likely
they
are
provide
services
conspecifics
other
contexts.
Alternatively,
'social
tolerance
proposes
higher
social
allows
cooperate
efficiently
and
with
wider
range
partners.
We
conducted
first
field
experimental
evaluation
both
hypotheses
our
closest
living
relatives
by
contrasting
chimpanzees
less
but
tolerant
bonobos.
compared
each
species'
performance
during
task:
informing
about
danger.
presented
Gaboon
viper
models
82
from
five
wild
communities.
Chimpanzees
arriving
late
at
snake
were
significantly
heard
call
startle,
indicating
better
informed
presence
threat
than
This
stems
clear
species
differences
how
adjusted
their
calling
decisions
level
information
already
available.
produced
alarm
calls
had
not
yet
call,
whereas
bonobos
did
so
call.
Our
results
confirm
link
between
interdependence
performance.
These
most
driven
motivation
rather
capacities
because
tended
consider
audience
knowledge
decision
inform
on
evolution
linking
inter-group
competition
pressure
in-group
and/or
capability.
Psychological Science,
Journal Year:
2023,
Volume and Issue:
34(3), P. 358 - 369
Published: Jan. 3, 2023
Risk
preference
impacts
how
people
make
key
life
decisions
related
to
health,
wealth,
and
well-being.
Systematic
variations
in
risk-taking
behavior
can
be
the
result
of
differences
fitness
expectations,
as
predicted
by
life-history
theory.
Yet
evolutionary
roots
human
remain
poorly
understood.
Here,
we
studied
risk
preferences
chimpanzees
(86
Pan
troglodytes;
47
females;
age
=
2–40
years)
using
a
multimethod
approach
that
combined
observer
ratings
with
behavioral
choice
experiments.
We
found
chimpanzees’
willingness
take
risks
shared
structural
similarities
humans.
First,
manifested
traitlike
was
consistent
across
domains
measurements.
Second,
were
ambiguity
averse.
Third,
males
more
prone
than
females.
Fourth,
appetite
for
showed
an
inverted-U-shaped
relation
peaked
young
adulthood.
Our
findings
suggest
dimensions
appear
emerge
independently
influence
cultural
evolution.
Behaviour,
Journal Year:
2020,
Volume and Issue:
157(3-4), P. 289 - 313
Published: Feb. 8, 2020
Abstract
How
animal
populations
adapt
to
human
modified
landscapes
is
central
understanding
modern
behavioural
evolution
and
improving
wildlife
management.
Coyotes
(
Canis
latrans
)
have
adapted
activities
thrive
in
both
rural
urban
areas.
Bolder
coyotes
showing
reduced
fear
of
humans
their
artefacts
may
an
advantage
environments.
We
analysed
the
reactions
636
novel
(camera
traps)
at
575
sites
across
state
North
Carolina.
Likelihood
a
coyote
approaching
camera
increased
with
housing
density
suggesting
that
are
experiencing
selection
for
boldness
becoming
more
attracted
artefacts.
This
has
implications
human-wildlife
conflict
theories
dog
domestication.
also
note
physical
traits
could
be
result
domestication-related
pressures,
or
hybridization.