http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Why Help? - The Story of the Babbler Birds
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
The film explains the biological logic behind the altruism behavior, through the extraordinary research of Prof. Amotz Zahavi on cooperative breeding birds in the Israeli desert: the Arabian Babbler birds..
Originally produced by Green Planet Films in 2015.