The "Crannell Giant", a redwood tree, is thought to have been the largest living organism on Earth before it was logged in 1926. :(
Cocoon of Mechanitis Butterfly Chrysalis
The Venezuelan Poodle Moth is the most aww-some bug I've ever seen
Blue fairy wren of Australia
A murmuration of starlings. The link has many more pics of surprising patterns created by flocks of birds and a cool video.
Agave Pelona / Very Rare Succulent / Not Aloe,Haworthia
Aloinopsis peersii, 4" pot Keith Kitoi Taylor
Ghost Fungus (Omphalotus nidiformis) ~ © Heino Lepp