Image of the Day: Fight Club
Image of the Day: Fight Club
South American hummingbird males were caught on camera poking and pinching each other with bills adapted for fighting.
Image of the Day: Fight Club
Image of the Day: Fight Club

South American hummingbird males were caught on camera poking and pinching each other with bills adapted for fighting.

South American hummingbird males were caught on camera poking and pinching each other with bills adapted for fighting.

fighting
Image of the Day: Cantankerous Crab
Image of the Day: Cantankerous Crab
The Scientist Staff | May 5, 2017
Hermit crabs living in broken shells outperform those inhabiting intact shells in fights because they attack more aggressively, compensating for lower muscle strength with vigor.
Faces for Fighting?
Faces for Fighting?
Jef Akst | Jun 10, 2014
Scientists propose that hominin facial bones evolved for protection against the powerful blows of combat.