Serving Animals

If an animal comes to you looking for food, don’t ignore it. It came to you only to remove some of your sins…

The Prophet said:
‏ فِي كُلِّ ذَاتِ كَبِدٍ رَطْبَةٍ أَجْرٌ
“There is a reward for serving any animate (living being)…”
[“Sahih Bukhari”, 2466].
https://sunnah.com/bukhari:2466