How can you tell them apart? I always assumed it was the shield: Minors have blue and the Majors have orange but it is taking forever to get the final commendation I need for Covenant destroyer…
If anyone could shed some light on this matter then that would be excellent.
Majors have helmets with orange shield. Play legendary by yourself and you will be fine
Press Halo 4 intel, and then enemies at the top of the screen.
It’s got all the enemies.
As for the jackal, the orange sheild ones are Jackal Heavy, the ones with carbines are rangers, and the blue shields are minors… There was one other up there as well, but I’m not certain what it was.
The jackals with the yellow shields are harder to kill. Also their shield holds more dmg before it collaps. (Similar to the 2nd shield upgrade in Halo Wars).
~
I personaly think we need the next level of a jackal. Red shield, evil looking amrmor. Also he has an energy shield in his hand (like all jackals have) + he has an personaly body energy shield (like the Elites have; or the Spartans). Means you have to hit him directly + you need to hurry because his shields will regenerate.
I thought: why not make some real badass new enemy of our familiar enemys. Some evil sect of the best of the best jackals who are a better fighter than an Elite. 
Don’t understand me wrong, iam also for bring in new species; especially some who are not (yet) in the Covenant. But mixing the skills of an badace* Elite and an evil-tactic jackal seems realy tempting for me. May be the jackals learned something, or the didact pushed them → to create their own elite-troops. >:D
And active-cloakfield (or whatever the invisibility thing is called in english)… yay would be a good new and may be unexpected challenge![/size]