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More than 4,200 animals including birds, marine and land mammals are tracked constantly using miniaturized Argos transmitters.
Combining position information and data about animals allows wildlife biologists to better understand their behavior, feeding strategies, breeding and adaptation to their environment.
Such observations provide the basis for conservation measures that are benefiting many endangered species.
In addition to its ecological value, this work meets the need to learn more about human origins and our environment's natural resources.