Survival International reports the murder of Nísio Gomes, a Guarani shaman shot dead by gunmen: "Gunmen surrounded Nísio Gomes, ordering his community to lie on the ground. Witnesses say he was shot in the head, chest, arms and legs. [...] He was the leader of a group of Guarani Indians, 60 of whom returned to part of their ancestral land in the southern state of Mato Grosso do Sul at the start of November, after being evicted by cattle ranchers." (Source: Survival International). The Association for Tropical Biology and Association will be meeting in Bonito, Mato Grosso do Sul, between 19-23 June 2012. (Photo: Guarani culture at the Museu Dom Bosco, Campo Grande. © Pierre-Michel Forget).

• Masked gunmen attack Brazilian Indian leader in shock execution at Survival International
• Líder indígena foi executado em ataque contra acampamento em Amambai at CampograndeNews
• Brazil: Chief Killed in Land Dispute at The New York times
• Indigenous religious leader murdered in front of his tribe in Brazil by Jeremy Hance, mongabay.com  - November 28, 2011 (added November 29, 2011)
  

• Environmentalists Murders : Who's next ? at Tropicalbio.org
• May in review: Jump in Amazon deforestation and murders, Indonesia's 'moratorium' by mongabay.com -June 01, 2011
• Assassinations of environmentalists continue in Brazil's Amazon, deforestation rises by mongabay.com - May 28, 2011
• Killing in the name of deforestation: Amazon activist and wife assassinated by Jeremy Hance, mongabay.com - May 24, 2011

Chico Mendes, Brazilian rubber tapper, trade union leader and environmentalist. Murdered in 1988 at his Xapuri home in the Brazilian state of Acre	Dorothy Stang, Sisters of Notre Dame de Namur order. Murdered in 2005 in Anapu in the Brazilian state of Pará
Joao Claudio Ribeiro da Silva and Maria do Espirito Santo, community leader of an Amazon reserve. Mudered in 2011 in the city of Nova Ipixuna in the Brazilian state of Pará.	Adelino "Dinho" Ramos, president of the Movimento Camponeses Corumbiara e da Associação dos Camponeses do Amazonas. Murdered in 2011 in the Brazilian state of Rondônia
Marcos Veron, leader of the Guarani-Kaiowá community of Takuára, Juti, Mato Grosso do Sul. Murdered in 2003 in the Brazilian state of Mato Grosso do Sul	Nísio Gomes, a shaman of the Guranai-Kaiowá community of Tekoha Guaiviry, Amambai, Mato Grosso do Sul. Murdered in 2011 in the Brazilian state of Mato Grosso do Sul