Naturewatch

(Complete Divine, DnD 3.5)

Necromancy

Level: ; Druid 0; Ranger 1; Hathran 0
Components: S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: Quarter circle emanating from you to the extreme of the range
Duration: 10 min./level
Saving Throw: None
Spell Resistance: No

This spell is identical to deathwatch, but only functions on animals and plants.
In addition, it also allows you to determine a variety of other mundane information about the animals and plants (whether or not the plants are dehydrated, the animals are malnourished, and so forth).