Pictures: Rietvlei Nature Reserve

A springbuck surveys the territory before bounding away.

A springbuck surveys the territory before bounding away.

Three wildebeest are easy to spot against the dry grass.

A zebra gazes around while taking a break from grazing. Pictures: Hazel Booth

A lone ostrich struts across the burnt veld.

The burnt veld provides a dramatic backdrop to several springbuck and zebra as they graze in the late afternoon sunshine.

On Monday South Africa marks the fifth World Rhino Day, commemorated to celebrate the globe's five remaining rhino species " and to highlight concern for their increasingly fragile future. Picture: Graham Low