West of Beijing, Chinese white‐bellied rats (Niviventer confucianus, CWR) and Korean field mice (Apodemus peninsulae, KFM) are common and share similar habitat, diet, and activity, but differ in body size (CWR are bigger than KFM), food hoarding habit, and ability to protect caches. Intense asymmetric competition for food exists between the 2 rodent species, in that CWR have distinct advantage than KFM. However, how KFM coexists with CWR is less known. By tracking seed competition of 15 pairs of CWR–KFM over a 10‐day period for each under en...
