Birds that migrate to the arctic have to find mates, build nests, lay eggs, hatch them, and feed their young to the point where they can fly -- all in 10-14 weeks!
(Birds; migrate; to the arctic) (Birds that migrate to the arctic; to hatch; them) (Birds that migrate to the arctic; to find; mates) (they; can fly; L:the point) (Birds that migrate to the arctic; to build; nests) (Birds that migrate to the arctic; to lay; eggs)
Birds Birds that migrate to the arctic Birds that migrate to the arctic they Birds that migrate to the arctic Birds that migrate to the arctic
migrate to hatch to find can fly to build to lay
to the arctic
them
mates
L:the point
nests
eggs