Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
The cat brain weighs about 30g.
167
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12