資料來源: Google Book

The skies

What do masked bobwhites, Hawaiian hawks, harpy eagles, and Kitti's hog-nosed bats have in common? They, along with many other birds, are endangered species. They are close to becoming extinct because they have been over-hunted and their habitats have been altered or eliminated. Discover what each animal's situation is and what can be done to help it improve.
來源: Google Book
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