Let me say this right up front: When identifying Cooper’s and Sharp-shinned Hawks, it’s okay to not have a definitive answer. These two species look almost exactly alike and have very similar habits.

A captivating charcoal goldfish drawing that feels full of life, movement, and realistic detail. In this video, I guide you through the complete process, starting with a clean sketch that captures the ...

Abstract: Being able to build a map of the environment and to simultaneously localize within this map is an essential skill for mobile robots navigating in unknown environments in absence of external ...