Login to BlackFacts.com using your favorite Social Media Login. Click the appropriate button below and you will be redirected to your Social Media Website for confirmation and then back to Blackfacts.com once successful.
Enter the email address and password you used to join BlackFacts.com. If you cannot remember your login information, click the “Forgot Password” link to reset your password.
The study involved playing recorded hippo noises back to different groups of hippos. When a senior male hippo heard the sound of an animal from outside its own herd it responded aggressively, instantly recognising a stranger.
