As the others have noted, antelope hunting is different.
They are curious critters, but don't expect them to come up and sniff your boots.
The bull will push his herd, not lead it.
They wriggle under fences not over.
Expect the herd to circle when moved. Naturally they won't come back to the exact same spot, but expect them to return eventually.
Learn to read the vegetation. In my experience, they like grazing fields just like cattle but will cross stubble if necessary.
Yes, the bodies are smaller than you expect. Visualize a big German Shepherd dog, not an elk.
Pick your bullet. I kept a small stone with a drop of dried blood for a long time. It was a reminder of the hole I punched through an antelope with a solid bullet. He kept going and probably died of blood loss that night. I was overthinking the kill and didn't want to lose one if I hit it, and went with a solid Barnes X Bullet. Sure it was fast and flat, but they aren't very tough animals and I didn't need anywhere near that kind of terminal performance. But, know your trajectory and hold overs right away.
And, avoid the temptation to "flock shoot". Pick your target and make sure the background is clear. The herds tend to bunch up.