Assertion details
Summary
normal lion produce 1 more testosterone
1 triples in cluster
normal lion produce more testosterone 1
1 source sentences
Source: Shown
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  • SRC “ Normal lions produce more melanin in their mane hair in certain circumstances , [ such as ] when they are producing more testosterone , when they are better fed , when they are not heat - stressed , ” says Packer , who led a 2002 study on mane coloration .