Islam treats mercy toward animals as a genuine expression of a person's character, not a peripheral concern. The Prophet related the story of a man overcome by thirst who saw a dog licking mud in desperation; he climbed down a well, filled his shoe with water, and gave the dog to drink. The Prophet said Allah appreciated this act and forgave the man, adding that there is reward "in doing good to every living creature" (Sahih al-Bukhari 6009). Conversely, he warned of a woman punished in the Hereafter because she confined a cat without feeding it or letting it hunt for itself until it died (Sahih Muslim 2242) — showing that cruelty toward animals, even small ones, carries real moral weight rather than being dismissed as unimportant. This principle extends into practical rulings: animals used for labor must not be overburdened, hunting and slaughter must avoid unnecessary suffering, and an animal being slaughtered should not see the blade being sharpened in front of it. The underlying lesson is that mercy is indivisible — a person careless or cruel toward a helpless creature reveals something true about how they would treat anyone with less power than themselves.
Q&A · Character
What does Islam teach about kindness to animals?
References
Sahih al-Bukhari 6009Sahih Muslim 2242
Informational, not a personal fatwa. Consult a qualified scholar for rulings on your situation.