One forked tongue is one of the snakes by the dinosaur and the other is one of the blue monsters snakes tongue.
The snail is by the rabbit and the book with WHAT HARRY FOUND OUT.
I think it is the shadow right above the green mitten on the I-Spy year round challenger book.
They are on page 22 top left corner in the red circle on the jacks
Black bear cubs are typically born in January, so a "January bear" would be a newborn black bear cub. The little bear on the left of page 16 fits the bill.
the ant is not on page 20- 21 but on page 18-19 it is on the little umbrella
The snail is by the rabbit and the book with WHAT HARRY FOUND OUT.
Harry's test is in the book with the pictures of the acorns and arrows and drums.
The rabbit is a shadow under the giant green grasshopper.
It's in the crown on page 26
The snail is by the book and the rabbit. It's just a snail shell.
The snail on pages 14-15 of the I Spy Extreme Challenger book is located near the top middle of the page, slightly to the right of the center. Its shell is partially hidden behind a plant, but you can see part of its body extending out. It may be a bit tricky to spot at first glance.
The Dr. Seuss book that is full of tongue twisters is "Fox in Socks". It features tongue twisters that become increasingly difficult as the book progresses, making it a fun read for both children and adults.
Sam rides the Phantom for the first time in the 6th book, the challenger.
The Mammoth Book of Extreme Science Fiction was created in 2006.
Hint 1 : 2 jacks are on page 8, 3 jacks are on page 9. Hint 2 : from L to R the color of the jacks is yellow, yellow, blue, yellow, red. Hint 3 : one of the jacks blends in to the background.
The Mammoth Book of Extreme Science Fiction has 562 pages.
A tongue-in-cheek answer to a tongue-in-cheek question: Learning by osmosis.