Yayin da suka bar aljihu a cikin kwanaki 105 bayan haihuwa, suna bayyana a matsayin ƙananan kwafin iyaye kuma suna auna kimanin 200 grams (7.1 oz). Masanin ilmin dabbobi Eric Guiler ya rubuta girmansa a wannan lokacin kamar haka: tsawon rawanin-snout na 5.87 cm (2.31 in), tsawon wutsiya na 5.78 cm (2.28 in), tsawon tsawon 2.94 cm (1.16 in), 2.30 cm (0.91 in), shank 4.16 cm (1.64 in), 4.34 cm (1.71 cm) da kuma rawanin-rump shine 11.9 cm (4.7 in). A wannan lokacin, aljanu suna tsawaita a cikin layi mai tsauri. Bayan an fitar da su, 'yan aljanu suna zaune a waje da aljihu, amma suna kasancewa masu zaman kansu a cikin aljihu na iyaye kuma suna auna kimanin watanni uku (7.1 oz).
tsakanin kwanaki 87 zuwa 93