User blog comment:Mrob27/Astronaut Wrangling/@comment-4728735-20120121035111/@comment-4583259-20120122204837

Yes, giraffes seem to try to head in the same general direction for a while, and can jump several times without changing direction too far. Astronauts on the other hand change direction all the time even if there is no obstacle at all. So if an astronaut and a giraffe were both stuck in the center of this:



The giraffe would get out quickly but the astronaut would take a while, and might never get out.