Does Hawky Ever Come Back?

Hawky never returned to the group after delivering Toph's letter, and it is assumed that he found a new home at the Beifong Estate.

Did Hawky make it to Toph's parents?

We know that Sokka's bird, Hawky, went off on a trip to deliver the letter to Toph's parents and never came back.

What happened Momo avatar?

When flying over a swamp, a sudden tornado separated Momo and Appa from the rest of the team. While wandering through the swamp, they were confronted and pursued by a Foggy Swamp Tribe hunting party. Momo was captured in the chase by Tho, but later released when Huu and Team Avatar intervened.