This next monster is the result of a request I recieved from Rycanada. The request was for a flock of draconic vulture-like creatures, somewhere in the neighborhood of CR 2 for individual members. So here you go Rycanada, I hope this fits the bill.
Blackdirge
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Vyrmen Small Magical Beast Hit Dice: 3d8+6 (20 hp)
Initiative: +3 (Dex)
Speed: 10 ft. (2 squares), fly 80 ft. (average)
AC: 16 (+1 size, +3 Dex, +2 natural), touch 14, flatfooted 13
Base Attack/Grapple: +2/-1
Attack: Bite +5 melee (1d6+1)
Full Attack: Bite +5 melee (1d6+1) and 2 talons +3 melee (1d3)
Space/Reach: 5 ft./5 ft.
Special Attacks: Breath weapon
Special Qualities: +4 saves against magic sleep and paralysis, low-light vision
Saves: Fort +5, Ref +6, Will +2
Abilities: Str 12, Dex 17, Con 14, Int 04, Wis 14, Cha 08
Skills: Listen +5, Spot +15
Feats: Multiattack, Weapon Finesse
Environment: Temperate mountains and forests
Organization: Solitary, pair, or flock (11-20)
Challenge Rating: 2
Alignment: Neutral Evil
Advancement: 4-6 HD (Medium)
At first sight this creature appears to be a large black vulture, but closer examination reveals its draconic origin. The beast is covered in greasy black plumage through which splotches of ebony scaled flesh gleam. A head that is part avian and part reptile sways from a short supple neck as the beast hisses menacingly and tears at the ground with its long raking talons.
Exceedingly foul and ill tempered, Vyrmen are the result of black dragon blood mixed with that of ordinary vultures. The beasts were designed to act as aerial spies and skirmishers but turned out to be all but intractable, forcing the wizards who engineered their creation to give up entirely. The remaining Vyrmen were released into the wild with the hope that they would not breed true, and eventually die out. Unfortunately the fecund quality of their draconic blood has allowed them to flourish and they have become quite the menace in many populated areas.
All Vyrmen are a dull black in color and range from the size of ordinary vultures to monstrous specimens the size of ponies. They are universally of foul disposition and will attack and kill anything that cannot outrun or outfight them.
Combat
Vyrmen often attack in large numbers, swarming down upon their victims and ripping them to shreds. They will usually soften enemies up with their breath weapon before attacking with beak and claws.
Breath Weapon (Ex): 15 ft. line once per day, 2d4 acid damage. Reflex save DC 13 for half. The save DC is Constitution based.