Portal:Animals/Did you know/2


 * ...that two of the nine or ten classes in the phylum Mollusca are extinct?


 * ...that bottlenose dolphins (pictured) are believed to use sponges to protect their rostra when searching for food on the sea bottom?


 * ...that cattle are responsible for 18% of greenhouse gases?


 * ... that super weaners may be "milk thieves" or "double mother-sucklers"?