Desexing is usually something only done to cats and dogs. It's just another word for "spay" (females) or "neuter" (males). I've never heard of anyone neutering a bird, nor would it really be necessary.
A male desexed Guinea Pig is called "Neutered", and a female desexed Guinea Pig is known as "Spayed".
The name for a castrated (desexed) male pig is a barrow.
it may be...
Wether
It brings the bird into a condition suitable for breeding.
When it is pregnant or has been desexed.
A wether or a male sheep that has been castrated.
a neutered dog
No, which is a relief to their owners!
Yes, but they can't mate.
it is called a buck A desexed male goat is called a wether
Playing a recording of woody woodpeckers laugh can attract woodpeckers. Also, banging a hammer on a tree can also accomplish the same task but a woodpecker has keen sight, so you will have to dress up in a bird suit.