Until recently, studies on most smaller migratory animals were very restrictive – usually localized, species-specific, and painstakingly manual, providing a limited snapshot at best. Infrastructure was costly in terms of both human and technical inputs – a GPS tracking system could cost thousands of dollars for a single subject. Moreover, the sensors required for cellular or satellite technology to work were too large for small animals and insects. A new international collaborative research network called the Motus Wildlife Tracking System is changing all that.
Motus is an innovative, automated radio-telemetry system for tracking the movements of animals such as birds, bats, and large insects throughout the continent. It works by outfitting animals as small as monarch butterflies with miniature radio transmitters that broadcast signals every few seconds to a network of receiving stations that scan for signals 24 hours a day.
With a focus on at-risk species, Motus can track the positions of thousands of individual insects in real time. When results from many stations are combined, the system can track animals across a diversity of landscapes covering thousands of kilometers through seasonal residencies and migrations, providing a wealth of scientific data on species habit and health, as well as on the causes, correlations, and threats to species in decline or at risk.