Why do dogs cry and bark at night ?

 It is a superstition that dog sees super powers like ghosts and starts howling at night.

Not only dogs, many animals make strange noise at night.

This behaviour is the natural part of their survival and communication strategies.

1.  Nocturnal communication 

                      Many animals are nocturnal and use vocalizations at night to communicate with others of their species.

2.  Safety from predators 

                          Crying at night could be a defensive strategy to ward off potential predators.

3.  Sound travel 

                        At night, when ambient noise is lower, sound travels further.

                           This allows animals to communicate over a larger distance.

4. Less noise interference 

                     At night, there will be quiter surroundings with less distractions.  

                      It allows animals to hear or to be heard more affectively.

5.  Marking their territory 

                         Nighttime vocalizations help animals to signal other animals to stay away or reduce conflict.

6.  Navigating in the dark 

7.  To find mates