First scientific observation of the largest Sahulian rodent, Mallomys istapantap, in the wild. Mammalia. Credit: František Vejmělka, originally published in: Vejmělka, F. (2025) After spending six months exploring the rugged landscapes of New Guinea, a young Czech doctoral student from the Biology Centre of the Czech Academy of Sciences and the University of South Bohemia has made an extraordinary find. František Vejmělka is the first researcher to observe and scientifically document Mallomys