Screenshots of the GW2 Animal Hats introduced with the Gemstore update on June 4, 2013. All of the animal hats are town clothing and account bound.
Unfortunately, since they are town clothing, they cannot be worn at the same time as the Quaggan backpack.
Video of the animal hats showing all dyeable areas
Fuzzy Bear Hat – 200 gems
Fuzzy Panda Hat – 200 gems – [&AgEaUQAA]
Fuzzy Quaggan Hat – 200 gems – [&AgFZkQAA]
Fuzzy Quaggan Hat with Bow – 200 gems – [&AgGjjgAA]