Rats are able detect the suffering of another rat stuck in an enclosure - they seek a way to free the rat, and do so even if there are chocolate treats nearby that the rat would need to share!
Here's the video of it in action:
Rats are able detect the suffering of another rat stuck in an enclosure - they seek a way to free the rat, and do so even if there are chocolate treats nearby that the rat would need to share!
Here's the video of it in action: