Hi:
Cute little Gabby 
You can use poo like Steve Irwin (RIP) used to do. The other options are "bowel movement" or Defecate.
Gabbys and Rhinos very seldom defecate shortly after eating. My Gabby has a bowel movement about every 11 weeks. My Rhino Viper (B.nasicornis) goes every 4 or 5 months. As long as they are well hydrated I would not worry. I can't help you with your Wags...
Good luck,
Al

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"I'm a lone rhinoceros there ain't one hell of a lots of us
left in this world." Adrian Belew, 1982


