英文關鍵字
adspersus
algae
amphibian
animal
background
beautiful
beauty
biology
breeding
brown
bull
bullfrog
canada
closeup
color
croak
cute
ecology
element
environment
eye
fauna
feet
fly
frog
garden
grass
green
happy
herpetology
horizontal
hunt
hunting
lake
leaf
legs
leopard
life
lily
lithobates
macro
marsh
mosquito
mountain
mouth
muddy
national
natural
nature
northern
nose
ontario
open
pad
park
pipiens
plant
pond
predator
pretty
rana
ribbit
river
rock
scum
season
slimy
smiling
spots
spring
summer
swamp
swim
toad
water
waterlily
wet
white
wild
wildlife