Unlike humans, aren’t animals incapable of praising God?

That’s not what the bible tells us. Animals and humans are each given the breath of life and are each thereby given the ability to praise God, as it says in Psalm 150, “Let everything that has breath praise the LORD.” (Psalm 150:6). Animals can and do praise God, whether in heaven or on earth, as it shows in Revelation, “Then I heard every creature in heaven and on earth and under the earth and on the sea, and all that is in them, saying: “To him who sits on the throne and to the Lamb be praise and honor and glory and power, for ever and ever!”” (Revelation 5:13). Animals can and do praise God. This is what the bible tells us.