Insects recognize information transmitted by other insects. Insects are a source of B for animals (including other insects, and humans). Camphor crystals are sometimes used to prevent damage to insect collections by other small insects. Houseflies have many predators, including birds, reptiles, amphibians, various insects, and spiders. Yellowjackets are important predators of pest insects. Larvae and pupae are links in the diets of birds and parasitic entomophagous insects. It also hunts species as small as insects and rodents. Others feed on eggs of other insects, aphids, scale insects, or ant larvae. Sundarbans is home to many different species of birds, mammals, insects, reptiles and fish. Rocks offer them cover from predators, plentiful prey (e.g. rodents, lizards, insects, etc. Vibrissae are analogous to antennae found on insects and other arthropods. There are thousands of varieties of butterflies and other insects. Larvae feed on proteins derived from insects, meats, and fish. Pottery also protected seeds against mold, insects, and rodents. They mostly feed on small aquatic insects and fish.