The caster may specify that they're looking for a particular species of animal, plant, or even a specific life form. However, the latter would require being familiar with it.

Detect (All Life, Very Common) [98] 
    Precise [+100%] 
    Analyzing [+100%] 
    Cosmic (May disregard undesired life forms) [+50%] 
    Based on Activation Roll [+5%] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "locate" in Latin 
        Must gesture with hands 
Level 2 [113] 
    Add Long Range (Long Distance Modifiers) [+50%] 
Level 3 [128] 
    Increase Long Range to No Distance Penalty [+50%]