John James Audubon

As any ornithologist will tell you, birds are wonderful, funny and expressive animals, so it's no surprise they also make great subjects for photo competitions. We present their weird and wonderful selves and the talented snappers behind the shots.

This is the second part of our overview of the 2021 auction year – a year where investors channeled more of their wealth into “investments of passion” than ever before. It covers the 150 science, sci-fi and technology artifacts that sold for more than $100,000