Each spring, river herring begin a remarkable journey from the ocean back into freshwater rivers and streams to spawn. Tracking that movement and...

At the recently concluded 15th Conference of the Parties to the Convention on the Conservation of Migratory Species of Wild Animals (CMS) held...

At any given moment, billions of birds are on the move across the Americas crossing forests, wetlands, grasslands, and coastlines in journeys that...

In southern Chile, the island of Chiloé and its surrounding mainland form a critical wintering area for two species of migratory shorebirds: the...

Managing an invasive species starts with a simple question: how many are out there? Unlike invasive plants or animals on land, marine species...