nâng lên; tăng

In this lesson: bring a baby to maturity

baby birds

cung cấp

In this lesson: give food and support to your family

tổ, làm tổ

In this lesson: the home of a bird

about 100-meter

a tall thin building with a bell at the top

thanks to

chỗ ngồi hoặc chỗ đậu cao, hẹp

In this lesson: a high place to stand and look around

xem qua loa

In this lesson: look, search

bắt làm mồi

In this lesson: an animal that is eaten by a predator

góc nhỏ

In this lesson: a small space or hole

vách đá dựng đứng

In this lesson: a very steep, vertical face of rock

cào, xước

In this lesson: to scrape or dig with the claws or nails

trầm cảm

In this lesson: a shallow (not deep) hole

when a bird produces eggs

ghé thăm

In this lesson: visit without an invitation

check out, examine

lần lượt

In this lesson: alternate

quickly start doing something

a chemical to protect plants/crops from insects

a colorless odorless pesticide

vỏ; bóc vỏ

In this lesson: the outside of an egg

canxi

In this lesson: a chemical element, good for bones, found in milk

effects that last for a long time

soft delicious pieces of food

bring something up out through the mouth by coughing

become very demanding

hungry + angry

the last episode of a tv show season

quanh quẩn, la cà

In this lesson: stay, not leave

have fun, play, usually in a rough way

effort made to protect animals or the environment