Photo: Three guesses for what this thing is

318 of 476
butterfly egg photo

credit: Donald Quintana

318 of 476

Can you guess what this is? Hint: Lady Gaga will not emerge from it.

Ready for the answer? Okay, it's a Monarch butterfly egg! This amazing butterfly species migrates across an entire continent and it takes four generations of them to make one trip. Now that is amazing. Learn more about their multi-generation migration here.

Do you want your photo of the great outdoors featured on TreeHugger? Join the TreeHugger Photo Pool on Flickr and add your photos to the group!