Workers prepare animal skins in front of animal trophies at the taxidermy studio in Pretoria,February 12, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a moot change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken February 12, 2015. REUTERS/Siphiwe Sibeko 

Francois Cloete poses in front of an Impala that he shot at the Iwamanzi Game Reserve in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

Francois Cloete carries a hunting rifle as he hunts at the Iwamanzi Game Reserve in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

Animal trophies are seen at the entrance of a taxidermy studio in Pretoria, February 12, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken February 12, 2015. REUTERS/Siphiwe Sibeko

Francois Cloete poses in front of an Impala that he shot at the Iwamanzi Game Reserve in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko 

Stan Burger (L) walks while holding a hunting rifle as Francois Cloete (C) is helped by Lucky to carry an Impala that was shot by Francois during their hunting trip at the Iwamanzi Game Reserve in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

A trophy of a wild animal is seen at the taxidermy studio in Pretoria, February 12, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken February 12, 2015. REUTERS/Siphiwe Sibeko

Professional hunter CEO of PHASA (Professional hunters association of South Africa), Adri Kitshoff, takes aim during a hunt for game at the Iwamanzi Game Reserve in Koster, in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

The head of an Impala, that was shot during a hunting trip, is cleaned at the Iwamanzi Game Reserve in Koster, in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko 

Professional hunter, Tavi Fragoso (R), speaks on a two-way radio as he is followed by Adri Kitshoff, CEO of PHASA (Professional hunters association of South Africa), as they hunt for game at the Iwamanzi Game Reserve in Koster, in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

Professional hunters react during a hunt for game at the Iwamanzi Game Reserve in Koster, in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

Stan Burger, owner of the Iwamanzi Game Reserve, loads his rifle before hunting in Koster, in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko 

A worker prepares a trophy of wild animals at the taxidermy studio in Pretoria, February 12 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken February 12, 2015.
REUTERS/Siphiwe Sibeko 

A trophy of a wild animal is seen at the taxidermy studio in Pretoria, February 12, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken February 12, 2015. REUTERS/Siphiwe Sibeko 

Professional hunters look through their binoculars during a hunt for game at the Iwamanzi Game Reserve in Koster, in the North West Province, June 6, 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken June 6, 2015. REUTERS/Siphiwe Sibeko

A worker prepares a trophy of a wildebeest at the taxidermy studio in Pretoria, February 12 2015. Africa's big game hunting industry helps protect endangered species, according to its advocates. Opponents say it threatens wildlife. Now a mooted change in regulations in the United States could affect the number of foreigners who come to Africa to hunt big game, damaging the industry and possibly hurting wildlife. Picture taken February 12, 2015. REUTERS/Siphiwe Sibeko