general biology:

the History Channel (I appear in all 13 episodes of a show called Evolve (2008)

walking bats:

inside JEB (2006)

inside JEB (2005)

running vampire bats:

ScienCentral (USA, 2005)

As It Happens (CBC Radio, Canada, 2005)

Quirks & Quarks (CBC Radio, Canada, 2005)

Los Angeles Times (2005)

New York Times (Science Times, 2005)

bats that hold on to smooth surfaces:

Natural History Magazine (official magazine of the American Museum of Natural History, 2001)

bats roosting:

Discovery Channel (a show called Quest, 2001)