This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To form new biological species by the division of an existing one

v. evolve so as to lead to a new species or develop in a way most suited to the environment

"The Birds of Northern Melanesia (written with Jared Diamond) provides a detailed picture of one of Mayr's principal fields of research ” how birds develop into different species ( 'speciate') on island archipelagos."

evolve   

speciation