You Do Need power plug adapter while traveling from Bonaire to Sudan.

Here is Why You Need An Adapter

The outlet and plug type used in Sudan are C and D and in Bonaire are A and C. This is how they look like.

Bonaire

In Bonaire, outlets of type A and C are in use.

Type A

Type C

Sudan

In Sudan, outlets of type C and D are in use.

Type C

Type D