Summary
Scientists think warmer weather and losing trees are the reasons.
They are watching the birds to learn how to help them.
Key Points
3 points1
Winter bird numbers are going down in Kerala.
2
Warmer temperatures are making it harder for birds.
3
Loss of good places to rest and eat hurts the birds.
New Words to Learn
5 wordsmigratory
birds that travel to different places at different times of the year
climate change
when the Earth gets warmer because of human activities
habitat
the natural home where animals live
degradation
when a place becomes damaged or less healthy
survey
a careful check or study of something
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