Growls
snarls
threats
barking
alarm
signal
Howling
indicates
lonelines
reply
howling
Hight - pitched
yelping
occures
situations
involving
pain
terror
worried
holds
Rapid horizontal
wagging
indicates
loneliness
reply
howling
friendly
approach
roughly
equivalent
human smile
Unisual
behavior
result
Vomiting
pattern
Behavior
result
Vomiting
pattern
behavior
serious
symptom
marked
changes
behavior
such as
convulsions
staggering
gait