frog

green

pond

vocal

sacs

swamp

amphibian

water

aquatic

floating

spots

nature

wildlife

closeup

wetland

call

environment

animal

natural

habitat

ecology

fresh

amphibious

camouflage

leaves

still

spring

breeding

season

marsh

surface

tension

behavior

vocalization

ecosystem

croak

macro

wild

tranquility

eyes

environmental

science

biology

vertebrate

anatomy

herpetology

fauna

spawn

croaking

pelophylax

ridibundus

black

floats

inflated

surrounded

plants