A seemingly excited western lowland gorilla was striking a viewing window in his enclosure so hard the protective glass cracked. Video from the San Diego Zoo shows visitors getting a scare Saturday ...

Parkgoers at the San Diego Zoo got the scare of their lives when Denny, a 10-year-old Western lowland gorilla, suddenly lashed out and shattered one of the three layers of protective glass at the ...

A western lowland gorilla at the San Diego Zoo damaged a tempered glass window pane in its enclosure on Saturday, shattering one of three layers of the panel, a zoo spokesperson said. A video shared ...

Gorilla's move was caught on video. — -- Some zoo-goers were in for a surprise when a fully-grown male gorilla charged at them, cracking the glass of its exhibit in Omaha, Nebraska. Visitors at ...