Nature Today | De meeste... www.naturetoday.com

Bluebuck hi-res stock... www.alamy.com

South african antelope... www.alamy.com

Extinct Animals (112 works)... nevsepic.com.ua

South african antelope... www.alamy.com

South african antelope... www.alamy.com

Goat antilope hi-res stock... www.alamy.com

Not the last of his species... www.naturalis.nl

File:The pictorial museum... commons.wikimedia.org

THE MAURITIUS COMMAND —... vappleman.wordpress.com

Damaliscus pygargus... zooinstitutes.com

Damaliscus pygargus... zooinstitutes.com

File:Bontebok- Cleveland... commons.wikimedia.org

Nature Today | De meeste... www.naturetoday.com

THE MAURITIUS COMMAND —... vappleman.wordpress.com

Damaliscus pygargus... zooinstitutes.com

Blue Duiker (Philantomba... www.dimensions.com

Bluebuck - Wikipedia en.wikipedia.org

Damaliscus pygargus... zooinstitutes.com