BirdLife International - Migratory Birds and Flyways 

This webpage outlines the state of migratory birds, the threats they face and current international initiatives to protect migratory birds and their flyways.

BirdLife International - State of the world's birds 2013 

This report provides a comprehensive overview of global bird conservation trends and the threats faced by the world’s birds

American Bird Conservancy - Threats to Birds

This webpage provides information on threats to birds and facts about bird conservation.

IUCN Red List of Threatened Species 

This comprehensive database contains information on the conservation status and trends of many of the world’s plant and animal species. It is produced by the International Union for Conservation of Nature (IUCN).

Living Planet: Connected Planet – Preventing the End of the World's Wildlife Migrations through Ecological Networks. A Rapid Response Assessment 

This report assesses the state of the world’s migratory species and outlines the case for migratory species conservation. It was produced by the United Nations Environment Programme (UNEP) and the Convention on the Conservation of Migratory Species of Wild Animals (CMS).

Fatal Light Awareness Program (FLAP) Canada 

This program aims to protect migratory birds in the urban environment. The website provides information on urban threats to birds and potential solutions.