Earth Day spurs (playful) catfight between Jaguars and Panthers

JACKSONVILLE, Fla. -- Catfight!

The Jacksonville Jaguars and Carolina Panthers got the fur flying on Twitter on Friday morning, and it all started with the Jaguars trying to wish everyone a Happy Earth Day.

The Jaguars' official Twitter account got things started with this tweet:

The Panthers' official Twitter account responded with this:

The back and forth continued, and there were photos of panthers and jaguars and gifs of cats in sunglasses and cats giving high fives. What could have turned nasty ended up with an overload of cuteness and feline brotherhood, if there is such a thing.

Here's the stream, if you want to follow along. Bet you can't finish it without saying, "Awwwww."