A%20young%20boy%20weighs%20the%20pros%20and%20cons%20of%20possessing%20various%20animal%20appendages%20–%20such%20as%20a%20duck’s%20feet%2C%20a%20deer’s%20antlers%2C%20a%20whale’s%20spout%2C%20an%20elephant’s%20trunk%2C%20and%20a%20long%2C%20long%20tail%20–%20only%20to%20decide%20that%20he’s%20better%20off%20just%20being%20himself.%20A%20zany%2C%20insightful%20story%20that%20beginning%20readers%20will%20wish%20to%20hear%20again%20and%20again!