Weight in my belly trees on my back riddle

Question: Weight in my stomach,trees on my back,nails in my ribs,it's feet I lack.What am I?

Question: What do you call a sad bird?

Question: What kinds of balls do dragons play soccer with?

Question: Where do all the letters sleep?

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?