An ostrich chasing after cyclists on a South Africa road has been captured by a head-cam in a funny video. The footage of the bike-chasing big bird has been uploaded to Google's video-sharing site YouTube and has gone viral with more than 400,000 views.    

Oleksiy Mishchenko filmed the clip of the fast bird as it ran after the bicycles, according to ABC News. He explained that he heard and saw a white ostrich to the left of him in a bush, then the animal jumped onto the road and started chasing the two-wheelers.  

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Mishchenko explained that at first the situation was scary but then he thought he would fall off his bike because he was laughing so hard.

He and his cyclist friends were in South Africa to participate in the Cape Argus Tour. It is a big cycling event.

The cyclists were on a pre-race bike ride to the Cape of Good Hope in the country. That is when the ostrich started running after them on a long section of empty road in the national park.

Mishchenko noted in the YouTube post that the ostrich could keep up with the bicyclists. They were riding at 50 kilometers per hour (31 miles per hour).

The bike enthusiast shared that ostriches can easily run up to 70 km/hr (43 mph). He pointed out that the cyclists were getting to the end of the road so they were lucky the big bird stopped chasing them.

Mishchenko joked that the feathered creature was probably trying to show off while his girlfriend was watching. He added that she was probably very impressed.  

In other bicycle news, electric bikes are rising in popularity in Australia, but safety experts have issued warnings, according to ABC. The bikes are able to travel at 80 km/hr (50 mph).  

Don Aitkin is a road safety supporter who warns the spiking number of e-bikes on streets could increase the number of serious injuries in future years.

The motorized bicycles have a battery in the front or rear hub, or crankshaft. E-bikes are not required to be registered in Australia and neither do the riders need a license to operate them.