Grasshopper
Grasshoppers eat large quantities of foliage both as adults and during their development, and can be serious pests of arid land and prairies. Pasture, grain, forage, vegetable and other crops can be affected. Grasshoppers often bask in the sun, and thrive in warm sunny conditions, so drought stimulates an increase in grasshopper populations. A single season of drought is not normally sufficient to stimulate a major population increase, but several successive dry seasons can do so, especially if the intervening winters are mild so that large numbers of nymphs survive. Although sunny weather stimulates growth, there needs to be an adequate food supply for the increasing grasshopper population. This means that although precipitation is needed to stimulate plant growth, prolonged periods of cloudy weather will slow nymphal development.
Alpaca
Alpacas chew their food which ends up being mixed with their cud and saliva and then they swallow it. Alpacas usually eat 1.5% of its body weight for normal growth. They mainly need pasture grass, hay, or silage but some may also need supplemental energy and protein foods and they will also normally try to chew on almost anything (e.g. empty bottle). Most alpaca ranchers rotate their feeding grounds so the grass can regrow and fecal parasites may die before reusing the area. Pasture grass is a great source of protein. When seasons change, the grass loses or gains more protein. For example, in the spring, the pasture grass has about 20% protein while in the summer, it only has 6%. They need more energy supplements in the winter to produce body heat and warmth. They get their fiber from hay or from long stems which provides them with vitamin E. Green grass contains vitamin A and E.