Wait, wait, wait
Whales were land-based first?!
http://news.bbc.co.uk/1/shared/spl/hi/pop_ups/05/in_pictures_new_world_heritage_sites/html/1.stm
Excerpt:
"The desert floor of Wadi al-Hitan, or Whale Valley, south of Cairo is littered with fossils of the last whales known to have legs.
"The remains reveal the transition of whales from land-based to the ocean-going mammals we know today."
http://news.bbc.co.uk/1/shared/spl/hi/pop_ups/05/in_pictures_new_world_heritage_sites/html/1.stm
Excerpt:
"The desert floor of Wadi al-Hitan, or Whale Valley, south of Cairo is littered with fossils of the last whales known to have legs.
"The remains reveal the transition of whales from land-based to the ocean-going mammals we know today."