Malus sieversii modern apple cultivars. Unlike domesticated varieties its leaves go red in autumn: 62.2% of the trees in the wild do this compared to only 2.8% of the regular apple plant or the 2,170 English cultivated varieties. The species is now considered vulnerable to extinction. "Malus sieversii" has previously been identified as the main contributor to the genome of the cultivated apple ("Malus pumila"), on the basis of morphological, molecular, and historical evidence. A DNA analysis in 2010 confirmed "M. sieversii" as the progenitor of the cultivated apple. A third species that has been thought to have made contributions to the
Bare-backed fruit bat Bare-backed fruit bat The bare-backed fruit bat ("Dobsonia moluccensis") is a fruit bat in the family Pteropodidae. It was described as a new species in 1830 by Jean René Constant Quoy and Joseph Paul Gaimard They placed it in the now-defunct bat genus "Hypoderma", with the scientific name "H. moluccensis". Its species name ""moluccensis"" means "belonging to the Moluccas," which is where the species is found. Its fur is brown and its feet have distinctive white claws. It is smaller than the New Guinea naked-backed fruit bat. Males weigh while females weigh . Its ears are pointed, and its second