(Japanese) Pygmy Woodpecker data contents

morphology
body weight / tarsus length / bill length
culmen length / wing length / tail length
sexual ratio of body weight / plumage

anatomy
tangue / bill / finger /

behavior
vocal communication / drumming / territorial behavior /
hole excavation / egg laying / nestling laying / feeding to the young /
mate choice / copulation / foraging / mixed flock formation /
climb / movement / flight /

food habit
feeding materails at nests / eating observation /
feces /

home range

habitat preference
habitat selection / ecological niche / vegetation preference /

breeding ecology
pair bond / parental care / nest site /

interspecific interaction
niche segregation / competetion / parasite /
predator /

population dynamics
desnity / mortality / life span /
migration /
clutch size / hatching rate / fledging rate /

distribution
geographical distribution / subspecies /

phylogeny
relative specie / subspecies /

evolution
adaptation / adaptive traits /

bibliography

source

Japanese page