You take it to mews mansion and give it to him if its real you can analyze it if it is not he wont take it.
Find all 4 cryptids
Well, you don't need to find the giant squid
The prize for seeing Nessie on the Cryptids Island Preview was a Nessie hat.
You find him in the lab, where you first talked to him. From the helipad. it is just to the left.
You can find it in cryptids island, on the main street near a bench, a girl is wearing it.
When you first start the island and you get the paper about Mews needing the evidence of ONE cryptid to get your reward, you end up needing to search for 4: Bigfoot, the Loch Ness Monster, the Chupacabra, and the Jersey Devil.
You can find matches on Cryptids Island, in the pub at the far right at Loch Ness. The only use for them is to light the Lantern, which you can acquire by climbing to the monastery in the Himalayas.You will need both to light your way in the woods in New Jersey.The matches are on Cryptids island in Poptropica. You have to go to Scotland (the Loch Ness Lake) and go to the left all the way and into the pub they will be on the bar.
There is no yeti footprint. You have to find all the other cryptids first.
You could get all you want because you actually have the whole creature at the end, before he is evidently released back into the wilderness.
Run the fur through the DNA analysis, but you find that it is only coyote fur. You will have to go back to Puerto Rico to find more evidence.
In the monastery.
You find the blue jacket in Cryptids island where the boat driver wears it. Make sure you don't make him go on vacation first