This spell does not have a direct equivalent in vanilla.
Animal Summoning I
Duration: 3 turns
Casting Time: 1 round
Area of Effect: Special
Saving Throw: None
By means of this spell, the caster calls a number of animals, which serve the summoner under any conditions. The type and number of creatures that appear depend upon the level of the druid casting the spell.
1st : 3 large bats
3rd : 4 large bats
5th+ : 5 large bats
The summoned animals will aid the caster by whatever means they possess, staying until the spell duration expires.
Bat (1 Hit Dice):
STR 9, DEX 14, CON 11, INT 4, WIS 11, CHA 4; AL Neutral
HP 4, AC 8, THAC0 20, Saving Throws 20/20/20/20/20
1 Attack Per Round, 1d2 Piercing Damage (Bite)
Disease: target must save vs. death or suffer -1 penalty to DEX and CON
Swarm: each bat within 5 feet grants additional +2 bonus to attack rolls
Blindsense: relies on echolocation to fight in conditions of poor light or total darkness, ignoring the penalties associated with blindness