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Full text of "Expression Of The Emotions In Man And Animals"

CHAP. IV.

IN ANIMALS.

99

Small birds,, also, as I hear from Mr. Weir, such as
various finches, buntings and warblers, when angry,

FIG. 13.—Swan driving- away an intruder.   Drawn from life by Mr. Wood.

ruffle all their feathers, or only those round the neck;
or they spread out their wings and tail-feat tiers. With
their plumage in this state, they rush at each other with
open beaks and threatening gestures. Mr. Weir con-
cludes from his large experience that the erection of the
feathers is caused much more by anger than by fear, lie
gives as an instance a hybrid goldfinch, of a most irasci-
ble disposition,, which when approached too closely by
a servant, instantly assumes the appearance of a ball of
ruffled feathers. He believes that birds when frightened,
as a general rule, closely ad press all their feathers, and
their consequently diminished size is often astonishing.