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View Full Version : Tagged Fish and animals are like dinner bells to seals and other predators



JoeReal
11-19-2014, 07:02 AM
Especially if the tracking device emits sound or noises even those that are beyond human hearing. Passive RFID tags should not have any dinner bell effect.


Tagging Marks Many Animals for Death : Discovery News (http://news.discovery.com/animals/tagging-marks-many-animals-for-death-141118.htm)


http://static.ddmcdn.com/gif/seal-tags-670.jpg
A grey seal named "Janice" was one of several seals that learned to associate sounds released by acoustic tags with food.