they have a different colour from ours...is that because of the sand?
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Yes, probably because of the dirt, they can get pretty dirty. Some of the really fine wool merino breeders even put little coats on them to keep the wool clean, but not out here in the outback.
that does not look very comfortable...I mean for the lambs...does it hurt?
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Yes it does hurt, but it's much better than being eaten alive by maggots when they get flyblown - a big problem over here. Mulesing makes the skin tighter around their rear end and the wool doesn't grow as thick, so it stays cleaner and less attractive to flies to lay their maggots there.
Some of our Midwestern states hare having the same problem the last couple of days. With unusually high temperatures for January--in the 50s and 60s (F)--and heavy rain, they have had a few tornadoes, just to make things worse.
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