This article describes scientists Ken and Molly Glander’s research on the eating habits of howler monkeys in Costa Rica. In 1972, several howlers abruptly fell from the trees and died for no apparent reason. The Glanders became intrigued, suspecting that the monkeys had been poisoned. (Prentice Hall Literature, 2010)
This lesson was created as part of the Anthology Alignment Project
, during which teachers created CCSS-aligned lessons for existing literary and information texts in anthologies. All page numbers and unit/week designations found in this lesson relate to the edition of the anthology named above. If you are using a trade book or different edition of this title, the page/unit/week references in this lesson will not match. Consult the content referenced in the body of the lesson to determine appropriate page numbers for your text.