The difference between three and four calls of turtledoves is mainly reflected in the following aspects:

1. Different meanings: three calls of turtledoves are generally pursued by female turtledoves, and four is a warning to the enemy not to approach.

2. Different sound characteristics: the turtledove's call is "coo coo coo" or "male turtledove in heat chasing female coo coo coo coo", and the three and four sounds are part of it.

The above are some of the differences between the three and four calls of turtledoves, I hope it can help you.