LifeZoologger: Bats jam each other's sonar to steal meals The Mexican free-tailed bat sabotages the echolocation signals of its fellows so that it can home in on their winged prey for itself ¿ìè¶ÌÊÓÆµ
LifeExtinct giant kangaroos didn't hop, they walked They had faces like rabbits and some were 2 metres tall, but the oddest thing about extinct relatives of modern kangaroos is that they walked just like us ¿ìè¶ÌÊÓÆµ