stupid
allergic
altricial
anaphylactic
anserine
anserous
aquiline
avian
avicular
bashful
birdlike
birdy
columbine
cowardly
delicate
diffident
dovelike
empathetic
empathic
fearful
fearing
fearsome
hawklike
hyperesthetic
hyperpathic
hypersensitive
in fear
irritable
itchy
jumpy
mousy
nervous
nesting
nidicolous
nidificant
oscine
overrefined
oversensible
oversensitive
overtender
passerine
passible
prickly
psittacine
rabbity
rasorial
refined
responsive
scary
sensitive
shaky
goosier
goosiest