Rowan Fur Yarn is a similar yarn: wool, bulky (12-15 sts/4 in), and 50 gram. You may also like GGH Risibisi Yarn, which is another similar yarn: bulky (12-15 sts/4 in), 50 gram, and on size 10.5-11 US needles.
What about yarn that have the same look and feel? Find more yarn with a hairy texture, a low (drapey) twist, and is machine dyed.
Hopefully our suggested project ideas for GGH Kolibri Yarn can help you come up with your next exciting new project idea!