THE LONG-EARED BAT 61

hibernates—that is to say, enters into a state of torpor
through the winter, when there are no insects to eat,
suspending its respiration and digestion, and slowing

 

 

LONG-EARED BAT SLEEPING

its pulsation until its heart beats but once a second
instead of at the normal furious rate.

The long-ear does not come out until very late in
the evening ; the barbastelle, Syzotus barbastellus,is a
much earlier riser. This is a blacker bat than the other,