Donkey Kong Country 2: Level 11: Squawks' Shaft

Another mines level, and this one is focused on another Animal Buddy, Squawks the Parrot.
In the first Donkey Kong Country, Squawks was a tiny parrot that aided the Kongs through just one cave level by holding a flashlight. In this game, he's a big boy, now! Now he's a full-fledged Animal Buddy that can carry the Kongs around with his talons. He can also attack by spitting eggs!

You will be using Squawks for the last chunk of this level!
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There are three Bonus Rooms in this level:

The first one is a bit after a trio of Klomps. Roll throught them, then roll off the ledge. It should lead you to some Barrel Cannons and Zingers, and then soon afterward have the Bonus Barrel in your sight to aim yourself at. This Bonus has you find a Kremkoin inside one of 7 Treasure Chests, breaking them open with a red Zinger. One of them may contain Banana Coin. The Kremkoin is in the 2nd-highest chest to the right.

The second Bonus Room is straight to the left of the Star Barrel. Just use a Team-up toss to reach the Barrel Cannon that will shoot you straight to the Bonus Barrel. This Bonus has you reach the KremKoin by using multiple 8-way Barrel Cannons to aim yourself at one after the other. Don't miss!

The third Bonus Room is found while you're using Squawks in the section where you avoid the Krooks' hooks. Go to the right of one of their spots, and then go up. The Bonus Barrel will be waiting for you above.
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The DK Coin is... right next to the third Bonus Barrel. If you're trying to reach that Bonus, you can't miss it!