Sunday Sketch: A little eye roll

The Chambered Nautilus (Nautilus pompilius) is one of 6 extant species of nautilus, the closest living relative of coleoid cephalopods (octopuses, squid, and cuttlefish). Considered by many to be living fossils, nautiluses have experienced little morphological change over millions of years and are more similar to ancient cephalopods than modern coleoid cephalopods. Nautiluses have numerous…

Sunday Sketch: Color me intrigued

Stump-tailed macaques (Macaca arctoides) are a vulnerable species of macaques found in South and Southeast Asia. These monkeys are known for their interesting color patterns. The infants of this species are born with white fur which gradually darkens with age. Older individuals are identified by their dark-colored faces with black or brown patches. Fact and…