How do you put chocobos in stables

If you want to breed chocobos you will need to get stables from choco Billy on the chocobo ranch which is near calm. After you get the stables you will need to get some greens in order to catch them, these can also be obtained from choco Billy. All around the world map you will see chocobo tracks the type of chocobo you will catch depends on the area you catch them from if you are going to do the sidequest to get the special chocobos in order to be able to go to all the caves to get special materias and the Knights Of The Round summon materia you will need certain types along with a certain nut to breed them with. To get the chocobos to appear at the tracks you should have the chocobo lure materia equiped, you can also get this from choco Billy. There are 3 special chocobo you can get green, blue, black and gold. To increase the chances of getting these special chocobos after mating you should increase the class of the chocobos being mated by racing them in Gold Saucer and you should also increase their stats by feeding them greens the best type of greens to use are sylkis greens these can only be obtained from chocobo sage you will find him near North Crater his house is surrounded by mountains and can only be accessed using the airship. The special chocobos each of their own ability, the green can go over mountains, the blue can go over shallows in rivers, the black can do both and the gold can do everything that the other can do but also has the ability to cross oceans. There are two nuts you will need to mate with to get the special chocobos, the first is a carob nut which can be stolen from Vlakorados found in the area near Chocobo Sage's house or you can buy them from him and then there is the zeio nut which can be stolen from goblins on golblin island which is east of Midgar you will need the airship. Here is what you need to get each chocobo.
Green and Blue - the one you get is random you will probably have to mate these two chocobos a few times before getting both because you could end up getting the same one twice but you will have to wait a while before being able to mate the two chocobos again, while your waiting take whatever special chocobo you get raise their stats using greens and race them to S class this will help you when your mating the green and blue to get the black chocobo. The type of chocobos you will need to get both the green and blue are a great female and a good male and you will need to mate them using a carob nut I recommend giving every chocobo you are going to mate greens and racing them to increase their class S is the best so you will be more likely to get the special chocobos on the first go instead of having to wait. You can get great chocobo from the tracks near Mideel try to get a female and you can get a good chocobo male chocobo from the tracks southeast of Gold Saucer. Now you can mate them to get either a green or blue chocobo but keep in mind that you will need to mate the green and blue chcocbo to get the black chocobo so one of them has to be female and one has to be male.
Black chocobo - you will need to mate a green and blue chocobo with a carob nut to get the black chocobo and again it's best if you feed them greens and raise them first to increase their class.
Gold chocobo - you will need to mate a black chocobo with a wonderful chocobo using a zeio nut. You will find a wonderful chocobo from the tracks on the northern continent near Icicle Inn, if you don't catch a wonderful chocobo the first time keep trying and again feed them greens and race them.

You might have swapped the O button for the X and by swiching them you can put them in the stables