Causative for birds, animals : Fierce animals, spice trees, red coloured flower and fruits.

Reason : Fierce animals : As Mars has lot of energy, Many a times it acquires, aggression in its nature. So, all those animals which have power and are voilent are causative of Mars. like tiger, Neelcow. 

Spice trees : There is an spicyness in Mars. So all the trees of chillies and spices come under the influence of planet Mars. 

Red coloured flowers & fruits : Colour of Mars is red. So all the fruits & flowers whose colour is red, come under the influence of Mars. 

Auspicious effect : When Mars is in favourable position Mars gives all these things give positive results. 

Inauspicious effect : When Mars is in bad position, the native get losses, harms by using above things.

Causative : Solid article 

Reason : Planet Mars has more of the earth element in it. So all the solid items including earth places are causative of Mars. 

Auspicious effect : When Mars is in beneficial position, the native gets good and positive results.

Inauspicious effect : When Mars is not in a good position, it gives bad and ill effects to the native.

Author : VaastuVidhya