adult
alert
anas
anas platyrhynchos
anatidae
animal
beak
bird
cute
duck
ecology
feather
female
four
fowl
green
guarding
head
isolated
lake
leaf
lily
male
mallard
mother
nature
ornithology
park
platyrhynchos
pond
protecting
protection
spring
summer
swimming
warmblooded
watching
water
waterfowl
wet
wetlands
wild
wildlife
zoology