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.
Esta historia es de la edición Fall 2018 de Popular Science.
Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,000 revistas y periódicos.
Ya eres suscriptor ? Conectar
Esta historia es de la edición Fall 2018 de Popular Science.
Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,000 revistas y periódicos.
Ya eres suscriptor? Conectar
They Might Be Giants
A photographer-and-ecologist team are on a mission to document the forests’ mightiest members.
Droplet Stoppers
Covid-19 made face masks a crucial part of every outfit, and we’re likely to don them in the future when we feel ill. Fortunately, there’s a style for every need.
Landing a Lifeline
For those whose livelihood depends on the ocean, a covid-spurred interruption in the seafood market might speed progress toward a more sustainable future—for them and for fish.
Headtrip – Your brain on video chat
Dating, Catching up with family, and going to happy hour are best in person.
Behind The Cover
Butterflies may seem delicate, but they are surprisingly tough.
Tales From the Field – A cold one on mars
Kellie Gerardi, bioastronautics researcher at the International Institute for Austronautical Science
The Needs Of The Few
Designing with the marginalized in mind can improve all of out lives.
Life On The Line
On the Western edge of Borneo, a novel conservation-minded health-care model could provide the world with a blueprint to stop next pandemic before it starts.
waste watchers
YOU CAN TURN FOOD SCRAPS INTO FERTILIZER IN ALMOST ANY CONTAINER. THESE BINS USE THEIR OWN METHODS TO ENCOURAGE THE PROCESS, BUT BOTH KEEP BUGS AND STINK AT BAY.
why can't i forget how to ride a bike?
LEARNING TO PEDAL IS NO EASY FEAT.
