Even though all herbivores eat only plants, the diets of different herbivore species vary a great deal. Some herbivores are selective and only consume part of the plant, such as the fruit, leaves, nectar, seeds, sap, roots, or bark.
Dogs come into heat every six months and it lasts for 3 weeks, but typically only bleed in the 2nd week. The amount of blood varies by size of dog, so the larger the dog the more blood is produced. 454 Views Â· 1 Upvote
How long does a heat cycle or oestrus last? Heat cycles vary, but average two to three weeks for most dogs. Heat should be considered to begin with the first signs of vulvar discharge, or when the female begins licking or paying attention to her vulva. The vulva will begin to appear swollen.