Dogs descend from wolves but their dog barking sounds are much different. The wolf uses howling more than dog barking sounds and only bark as young pups or for close range communication. On the other hand the modern dog uses barking almost exclusively.
Domestication of the dog is theorized as being the main reason for dog barking sounds. Barking warned humans of danger from domesticated dogs.
Warning bark – Usually starts with a low growl progressing into a howling bark. Signifies intrusion into territory or potential danger.
Alarm bark – Short barks usually from something that the dog cannot see. This may continue until they see some action being taken. [Read more…]