Sunday, September 21, 2008

Can you differentiate between Baby rat and Adult rat

Feature

Baby Rat

Adult Mouse

Head

short, stubby, broad, large relative to body

small, triangular, small relative to body

Muzzle

large and blunt with wide muzzle

narrow with sharp muzzle

Ears

ears are small relative to the head

ears are large relative to the head

Tail

thick

thin

Tail/body ratio

Tail shorter than body

Tail same length/longer than body

Feet

Large relative to body, especially the hind feet

Small relative to body

Weight

around 100 grams at 6 weeks, 200 grams at 8 weeks

30-50 grams


6 week old rat

Adult mouse



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