Ostriches are the largest bird in the world, and also the fastest (on land anyway). This seems like a contradiction, but it is true. These birds can run up to 69 kilometers per hour (43MPH) even ...
The Andean condor is the world's biggest bird of prey, which can weigh up to 15 kg and has a wingspan of up to 3.3 meters.
The lights in the auditorium darken. The cacophony of voices subsides. The enormous screen comes to life, displaying a ...
While some bugs have evolved the ability to detect these comparatively low-frequency ultrasound triangulations, birds have ...
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