CBS News: Human Heart-Monitoring Devices Find New Life Helping Biologists Understand Threatened Species

Smithsonian biologists are using heart monitors designed for humans to study how high stress levels in animals can hinder their ability to thrive.
Oct 13, 2025 11:35 AM ET
Giant anteater

Originally published by CBS News
By David Schechter, Seiji Yamashita

During his regular checkup, a 9-year-old clouded leopard named Masala undergoes a procedure to get a tiny heart monitor implanted under his skin at the Smithsonian's Conservation Biology Institute in Front Royal, Virginia.

Watch the segment and read the article on CBS News.