TRACKING WILDLIFE HAS improved our understanding of animal activities such as migration and hunting. Yet most species remain invisible to biologists. Transmitter devices that exceed 5 percent of an animal’s body weight can negatively impact its behavior and chances of survival. Size concerns put the vast majority of animals—including an estimated 75 percent of the world’s mammals and birds—off-limits.
TRACKING WILDLIFE HAS improved our understanding of animal activities such as migration and hunting. Yet most species remain invisible to biologists. Transmitter devices that exceed 5 percent of an animal’s body weight can negatively impact its behavior and chances of survival. Size concerns put the vast majority of animals—including an estimated 75 percent of the world’s mammals and birds—off-limits.
Martin Wikelski, head of the Max Planck Institute for Ornithology near Konstanz, Germany, hopes to change that. This summer he started distributing tags weighing just 5 grams, or 0.17 ounce, to researchers ready to place the trackers on thousands of birds, baby sea turtles, and even eels.
Bu hikaye Popular Science dergisinin Fall 2018 sayısından alınmıştır.
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Bu hikaye Popular Science dergisinin Fall 2018 sayısından alınmıştır.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
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