The secretary bird stands over 4 ft ... it's the equivalent to me kicking with about half-a-tonne of force through my heel straight down on the ground," Campbell told Reuters.

Researchers pulled a fake snake atop a force plate to record ... the last moment of their strike, the secretary bird keeps its eyes open throughout the kick. "They use vision to estimate where ...

Researchers have discovered that Secretary Birds can kick with 195 Newtons ... Madeleine's kicks by putting a force plate (hidden under artificial grass) in the bird's enclosure and pulling ...

The secretary bird is a fierce predator, ruling the African savanna with its powerful kicks and razor-sharp precision. Known for hunting venomous snakes and striking with deadly force, this long ...

The secretary bird stands over 4 ft ... it's the equivalent to me kicking with about half-a-tonne of force through my heel straight down on the ground," Campbell told Reuters.