More info about woodpecker: http://district.gresham.k12.or.us/ghs/sci/soph/animals/week1/downywoodpecker.html

A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
woodpecker included in woodpecker population
woodpecker eats insect
woodpecker eats insect (preying)
woodpecker eats nut
woodpecker eats seed
woodpecker eats spider
woodpecker is a type of predator
woodpecker is a type of prey
woodpecker eaten by bobcat
woodpecker eaten by hawk
woodpecker eaten by opossum
woodpecker eaten by owl
woodpecker eaten by snake
woodpecker eaten by squirrel