When you use the maewing for raising babies make sure the babies have the food trough icon on there head or they will starve even if in range(found of the hard way after walk imprint). Levels in the effectiveness stat increases the range they can feed and levels in weight can help but the maewing has weight reduction on meat and berries. Most important thing is to remember to enable nursing or the babies will have the trough icon and still starve because it isn’t feeding them.