Here are 5 Bible verses about animals having souls, curated from both the Old and New Testaments of the Holy Bible, King James Version, arranged from most to least relevant.
Ecclesiastes 3:21 KJV
21 Who knoweth the spirit of man that goeth upward, and the spirit of the beast that goeth downward to the earth?
Full Chapter | Parallel Translations | Explain Verse
1 Corinthians 15:42-44 KJV
42 So also is the resurrection of the dead. It is sown in corruption; it is raised in incorruption: 43 It is sown in dishonour; it is raised in glory: it is sown in weakness; it is raised in power: 44 It is sown a natural body; it is raised a spiritual body. There is a natural body, and there is a spiritual body.
Full Chapter | Parallel Translations | Explain Verse
Psalm 150:6 KJV
6 Let every thing that hath breath praise the Lord. Praise ye the Lord.
Full Chapter | Parallel Translations | Explain Verse
Genesis 1:28 KJV
28 And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth.
Full Chapter | Parallel Translations | Explain Verse

Genesis 1:20 KJV
20 And God said, Let the waters bring forth abundantly the moving creature that hath life, and fowl that may fly above the earth in the open firmament of heaven.