· http://news.bbc.co.uk/2/hi/science/nature/6925784.stm
· https://www.icr.org/article/5160/
· http://www.talkorigins.org/faqs/faq-transitional/part1a.html#intro
· https://phys.org/news/2013-10-evolution-species-requires-genetic.html
· https://futurism.com/new-species-evolving-unbelievable-rate
· http://www.blackwellpublishing.com/ridley/tutorials/The_evidence_for_evolution10.asp
· http://www.blackwellpublishing.com/ridley/tutorials/The_evidence_for_evolution19.asp
· https://www.proof-of-evolution.com/why-new-species.html
· https://www.proof-of-evolution.com/missing-links.html
· https://www.proof-of-evolution.com/donald-johanson.html
· http://www.talkorigins.org/faqs/faq-transitional.html
· http://www.talkorigins.org/faqs/faq-transitional/part1a.html#intro
· http://www.talkorigins.org/faqs/faq-transitional/part1b.html#mamm
· http://www.talkorigins.org/faqs/faq-transitional/part1b.html#rept1
· http://www.talkorigins.org/faqs/faq-transitional/part1a.html#amph1