•Send us your nature photos and sightings at info@thenaturalistsnotebook.com. We'll post the best of them here or on our popular Facebook page, which has become a hub for nature lovers from around the country and world.

•Our two interactive nature-and-science exploratoriums are closed for the off-season.

•April is National Frog Month, a time to remember the importance of protecting wetlands. Frogs are in serious trouble because of habitat loss and a deadly fungal disease called chytridiomycosis, which is decimating amphibian populations. You can read more about chytridiomycosis by clicking HERE.

•EARTH NEWS: 4 Headlines to Click On: 1) World's Most Endangered Marine Mammal Down to 30 Individuals; 2) This Prehistoric Human Ancestor Was All Mouth; 3) Officials Seize 3.1 Tons of Pangolin Scales; 4)  Feral Bunnies Are Taking Over Las Vegas

•Check our new Complete Guide to Bernd Heinrich's Books, the first piece in our Great Nature/Science Books section and the only place where you can see all of Bernd's books and read his account of how he came to write them.

•We've launched our new How to Draw section, which will grow in the year ahead. Learn how to draw a simple raven from great naturalist-writer-artist Bernd Heinrich or an evening grosbeak from ornithologist-artist Luke Seitz.


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TODAY'S PHOTO

NUTS!: Jay Spring shared with us this stunning photo of an acorn woodpecker, which caches acorns to eat later in the year. Jay took the shot at Irvine Regional Park in Orange, California. This is just one of the many great nature photographs our more than 180,000 Facebook followers have been sharing with us from across North America and around the world. To see more, go to our Nature Photos page and follow us on Facebook.

Video Exploration: The Scale of the Universe