You can follow her on X or Instagram at @melissafleura. A viral Reddit post featuring what appears to be a rat's tail poking through a ceiling has left thousands of viewers equal parts amused and ...

But they're sleeker, with black or brown fur, a pointed nose, big ears, and their signature long, hairless tail ... three ...

Techniques for blood collection from the rat include puncture of the heart, retro-orbital plexus, jugular vein, saphenous vein, tail blood vessels, carotid artery, abdominal aorta, and vena cava.