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 a dogs period last? The length of a female dog's heat varies, but is generally around three weeks. She is not receptive to mating during the first week or so, which is usually when the most spottâ¦ing of blood occurs. Males will show interest in her throughout her heat, both when she is receptive and not.