Estrus: alternatives and connections

Dryness; want of rain or of water; especially, such dryness of the weather as affects the earth, and prevents the growth of plants; ar…

Same as Drought.

A force in nature which is recognized in various effects, but especially in the phenomena of fusion and evaporation, and which, as man…

A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is oestrus ovis.

Sexual desire or oestrus of deer, cattle, and various other mammals; heat; also, the period during which the oestrus exists.

The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation.

The variety of life in a place or across the planet.

A violent storm, often of vast extent, characterized by high winds rotating about a calm center of low atmospheric pressure. This cent…

no longer in existence; "the extinction of a species"

of Endanger

The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, inf…

The natural abode, locality or region of an animal or plant.

a wave of unusually hot weather

the type of environment in which an organism or group normally lives or occurs; "a marine habitat"; "he felt safe on his home grounds"

of Protect

of Threaten

See Waive.

all living things (except people) that are undomesticated; "chemicals could kill all the wildlife"