Vultures in crisis: poachers and poison threaten nature's garbage disposers

They might keep the environment clean and healthy but most species are in steep decline.

Poison Pill: The Mysterious Die-Off of India's Vultures

Vultures – News, Research and Analysis – The Conversation – page 1

Nottingham Trent University on The Conversation

Vultures – News, Research and Analysis – The Conversation – page 1

Nottingham Trent University on The Conversation

Old World Vultures Reflect Effects of Environmental Pollutants

Ecology – News, Research and Analysis – The Conversation – page 17

Vultures in crisis: poachers and poison threaten nature's garbage

Maryland Today Protecting Part of the Circle of Life

Vultures: Nature's rubbish collectors who never strike

鹫类- 维基百科，自由的百科全书

Vultures circling overhead are good news for Planet Earth

Diclofenac and Ungulate Poaching Placing Vulture Species in

PDF) Black vulture conflict and management in the United States

Ecology – News, Research and Analysis – The Conversation – page 17