Large cat collars provide lots of data

CULVERT COUGAR—Mountain lion P-64, nicknamed Culvert Cat, crosses under the 101 Freeway at Liberty Canyon without the use of a wildlife bridge. Tracking collars are a big help in making this type of information available to researchers. Courtesy of National Park ServiceWhen it comes to technology, smaller is better. But size is dependent on power—a pocket-size computer is possible because the battery can be recharged.
For scientists working in the field, recharging isn’t an option. Their equipme...

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