Racing Extinction is a 2015 documentary about the ongoing Anthropogenic mass extinction of species and the efforts from scientists, activists and journalists to document it by Oscar-winning director Louie Psihoyos, who directed the documentary "The Cove" (2009).
 The film received one Academy Award nomination, for best Original Song, and one Emmy nomination.
 "Racing Extinction" premiered at the 2015 Sundance Film Festival, followed by limited theater release, with worldwide broadcast premiere on The Discovery Channel in 220 countries or territories on December 2, 2015.
In the Spirit of Crazy Horse is a book by Peter Matthiessen which chronicles "The story of Leonard Peltier and the FBI's war on the American Indian Movement".
 It was first published in 1983.
 Leonard Peltier was convicted of murder in 1977 and sentenced to life in prison for the 1975 killing of two FBI agents, after a trial which the author alleges was based on widespread fraud and government misconduct.
 The book portrays the violent turmoil on the Pine Ridge Indian Reservation during that time, including the 1973 'Wounded Knee Incident' and the following "reign of terror", and describes the 1975 'Pine Ridge Shoot–out' or 'Oglala Firefight' and the subsequent trials and their aftermath.
 Distribution of the book was interrupted for almost a decade while legal challenges against it were resolved.
Micah Garen is an American documentary filmmaker and journalist whose work has focused on conflict zones in the Middle East and Afghanistan.
 He is notable for surviving a kidnapping ordeal in Iraq in 2004.
 He wrote a book about the kidnapping incident which included his confinement as well as the efforts of friends and relatives to secure his release; according to a report in "Kirkus Reviews", the book was "extraordinarily compelling" and "gripping."
 In addition, Garen is a prize-winning photographer.
 He has written for "Vanity Fair", "Newsweek", The New York Times and other publications.
 Micah Garen and Marie-Helene Carleton have directed four documentaries for Al Jazeera's Correspondent series, including "Identity and Exile: an American's struggle with Zionism" featuring photojournalist Matthew Cassel.
 The film was awarded the top "Golden Nymph" prize at the "Monte Carlo Television Festival" in 2014.
 Garen has made a number of short documentaries, including one describing the lives of Egyptian women during the political upheavals in 2011 one on an American airman killed in Afghanistan and one on refugees fleeing Turkey to Greece by boat.
 With Marie-Hélène Carleton, Garen is working on a feature documentary from Iraq entitled "The Road to Nasiriyah" which was selected for Film Independent's inaugural documentary lab in 2011.
The Wounded Knee incident began on February 27, 1973, when approximately 200 Oglala Lakota and followers of the American Indian Movement (AIM) seized and occupied the town of Wounded Knee, South Dakota, on the Pine Ridge Indian Reservation.
 The protest followed the failure of an effort of the Oglala Sioux Civil Rights Organization (OSCRO) to impeach tribal president Richard Wilson, whom they accused of corruption and abuse of opponents.
 Additionally, protesters criticized the United States government's failure to fulfill treaties with Native American people and demanded the reopening of treaty negotiations.
Thunderheart is a 1992 contemporary western mystery film directed by Michael Apted from an original screenplay by John Fusco.
 The film is a loosely based fictional portrayal of events relating to the Wounded Knee incident in 1973, when followers of the American Indian Movement seized the South Dakota town of Wounded Knee in protest against federal government policy regarding Native Americans.
 Incorporated in the plot is the character of Ray Levoi, played by actor Val Kilmer, as an FBI agent with Sioux heritage investigating a murder on a Native American reservation.
 Sam Shepard, Graham Greene, Fred Ward and Sheila Tousey star in principal supporting roles.
 Also in 1992, Apted had previously directed a documentary surrounding a Native American activist episode involving the murder of FBI agents titled "Incident at Oglala".
 The documentary depicts the indictment of activist Leonard Peltier during a 1975 shootout on the Pine Ridge Indian Reservation.
Charlotte A. Black Elk is a political and environmental Native American activist.
 She is of Oglala Lakota heritage, and is the great-granddaughter of the holy man Nicholas Black Elk.
 She has become well known in recent years for her role as a primary advocate for the Lakota peoples regarding the protection of the Black Hills Land Claim.
 She is also known for her participation in documentaries covering the history of the Lakota people, including "The Way West" (1995) and "The West" (1996).
Incident at Oglala is a 1992 documentary by Michael Apted, narrated by Robert Redford.
 The film documents the deaths of two Federal Bureau of Investigation agents, Jack R. Coler and Ronald A. Williams, on the Pine Ridge Indian Reservation in the summer of 1975.
"Manta Ray" is an original song composed by J. Ralph and Anohni and performed by Anohni.
 The song was released as the lead single from the soundtrack album of 2015 documentary "Racing Extinction" written by Anohni.
David Hannan is a Australian cinematographer, specializing in underwater cinematography.
 Hannan's footage has been featured in numerous films, including Sylvia Earle's "Mission Blue", Louie Psihoyos' "Racing Extinction", and Rob Stewart's "Sharkwater and Revolution".
Lamakera is a village in Indonesia.
 It was known for being the place where the most manta rays are killed.
 It was featured in the 2015 documentary film, Racing Extinction.

Question: Are Racing Extinction and Incident at Oglala both documentaries
Answer: yes