Florida-based breeder Paul Bradshaw began selling them for $2,500 (£1,700) each in 2013.

The jet-black Ayam Cemani chicken is a unique breed that originated from the island of Java, Indonesia.
The all-black chickens, nicknamed the ‘Lamborghini of Poultry’, have been his “most requested bird ever”. The chicken is called after a village (Cemani) in central Java.

Their beak and tongue, black comb and wattles; even their meat, bones and organs appear black. The blood of the Ayam Cemani, nevertheless, is often colored. The birds’ black color happens on account of excess pigmentation of the tissues, caused by a genetic situation referred to as fibromelanosis and can also be attribute of Chinese Silkies, a black hen treasured throughout China.