Gary Humphries with koala

Australian Sen. Gary Humphries comes face to face with a koala, an arboreal Australian marsupial, on the National Threatened Species Day at Parliament House in Canberra, Australia, Tuesday, Sept. 7, 2010. The National Threatened Species Day commemorates the day the last known Tasmanian tiger died in 1936, urging the people to conserve other threatened unique species in the country. (AP Photo/Mark Graham)