At the very least some attacks on grownup marmots like groundhogs (Marmota monax) are abortive. Rodents of really diverse measurements might be hunted by crimson-tails, with species ranging in sizing from the 8.2 g (.29 oz) jap harvest mouse (Reithrodontomys humulis) to marmots (Marmota ssp.), weighing some 3,300 g (7.3 lb) in spring, whilst whether they can acquire complete grown marmots is questionable.