The red-crested tree rat (Santamartamys rufodorsalis), not seen in over a hundred years, made an unexpected, nonchalant appearance at the El Dorado Bird Reserve in Colombia a couple of weeks ago. Witnesses are unavailable for comment, being too busy with squeals of "Awwwwwww" to respond to questions. Press release here; high-res photos heEEEEEEEEEEEEEE
The Stone Forest of Madagascar: Huge, spectacular pictures of another world by National Geographic photographer Stephen Alvarez. A non-Flash version of the site is also available.
How To Have A Ton Of Fun Raising Baby Squirrels. Husband and wife document their adventures raising these little spazz-monsters with many photos and some Flash movies. Via Cute Overload.