Answer:
A seed am I, three letters make my name. Take away two and I still sound the same.
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
Has feathers but can't fly. Rests on legs but can't walk.
Known for their natural tuxedos and marching.