Size in the city: morphological differences between city and forest great tits have a genetic basis
Barbara M. Tomotani,
No information about this author
Mika Couweleers,
No information about this author
Bram ten Brinke
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Abstract
Animals
living
in
cities
are
smaller
than
their
conspecifics
from
rural
areas
but
whether
such
differences
caused
by
genetic
or
food
constraints
remains
untested.
We
performed
a
multi-generation
common
garden
study
where
we
raised
great
tits
(
Parus
major
),
originating
eggs
collected
multiple
Dutch
and
forests
under
the
same
conditions
for
two
generations.
Offspring
city
birds
had
tarsus
forest
both
generations,
demonstrating
that
these
morphological
genetic.
Next,
tested
size
an
adaptation
to
low
abundance
when
offspring
city.
Third
generation
of
origins
were
given
amounts
mimicking
being
during
second
part
nestling
development.
While
treatment
resulted
lower
feeding
frequency
be
smaller,
responded
way,
suggesting
do
not
cope
better
with
reduced
availability.
Our
shows
urban
has
basis
is
only
plastic
response
restricted
resources
environment.
experiment
does
provide
evidence
have
evolved
as
adaptive
availability
cities.
Language: Английский
Size in the city: morphological differences between city and forest great tits have a genetic basis
Barbara M. Tomotani,
No information about this author
Mika Couweleers,
No information about this author
Bram ten Brinke
No information about this author
et al.
Evolution Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Abstract
Animals
living
in
cities
are
smaller
than
their
conspecifics
from
rural
areas
but
whether
such
differences
caused
by
genetic
or
food
constraints
remains
untested.
We
performed
a
multi-generation
common
garden
study
where
we
raised
great
tits
(Parus
major),
originating
eggs
collected
multiple
Dutch
and
forests
under
the
same
conditions
for
two
generations.
Offspring
city
birds
had
tarsus
forest
both
generations,
demonstrating
that
these
morphological
genetic.
Next,
tested
size
an
adaptation
to
low
abundance
when
offspring
city.
Third-generation
of
origins
were
given
amounts
mimicking
being
during
second
part
nestling
development.
While
treatment
resulted
lower
feeding
frequency
be
smaller,
responded
way,
suggesting
do
not
cope
better
with
reduced
availability.
Our
shows
urban
has
basis
is
only
plastic
response
restricted
resources
environment.
experiment
does
provide
evidence
have
evolved
as
adaptive
availability
cities.
Language: Английский