The best replacement for lambs is sheep.

The best alternatives to lambs are rated as following:
★★★★★  sheep
★★★★  lions
★★★  goats
★★  hannibal
★  sheeps
★  red dragon
  se7en

Your alternative for lambs is not listed? Suggest!
Speaking about lambs, one probably shouldn't forget about lions.

Other search terms related to lambs and their ratings are:
★★★★★ lions
You have in mind a companion for lambs and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lambs in all years. Click on graph for more.
lambs
sheep
lions