Field Frame Friday: Cat Call via Crab Claw?

“Hey there, wanna check out my burrow?” Fiddler crabs (genus: Uca) have sexual dimorphism, meaning that males and females have different characteristics aside from their sexual organs. This male thick-legged fiddler crab (Uca crassipes) has a claw that is much larger than the female (on the right) and can be used for communication, courtship, and…

Sunday Sketch: International Day of the Seal!

Did you know that March 22 is the International Day of the Seal? Seals are a part of the phylogenetic suborder Pinnipedia that consist of seals, sea lions, and walruses. Seals (Family: Phocidae) live in both the northern and southern hemispheres of our planet, from the cold, polar regions of the arctic and antarctic, to the…

Creature Feature: World Wildlife Day

Biodiversity encompasses all life on Earth: from the adorable birds in your backyard to the terrific trees that provide shade each summer, the fresh fish in your tacos to the sneaky squirrel that tries to snag your snack . . .

Sunday Sketch: Get ready for World Wildlife Day!

This Tuesday, March 3rd, is World Wildlife Day! The United Nations Sustainable Development Goals 1, 12, 14, and 15 commit to preventing biodiversity loss by reducing poverty, promoting sustainable use of our planet’s resources, and conserving all plant and animal life on land and below the water. Join The Ethogram this Tuesday for a full…

Field Frame Friday: A whole new meaning to being called a “bird-brain.”

While the idiom, “bird brain” may mean a silly or stupid person, we may want to reconsider it as a compliment. Turns out, African grey parrots (Psittacus erithacus) have more abstract logic than the average human toddler. When briefly shown the contents inside two canisters (walnuts or nothing) and then presented the parrots with the…

Creature Feature: American Horseshoe Crab

Move over dinosaurs, there is a cooler fossil in town! Meet the American horseshoe crab (Limulus polyphemus); don’t be fooled, it is neither a horse, nor a crab, but a close relative of spiders and scorpions (class: arachnids) [1][3]. These marine invertebrates are considered living fossils as their body structure, which has made them so…