The life span of the robin is long or short depending on the species, generally 2-3 years, and the life span of individual species can be as long as seventeen years.

The life of the robin can be divided into three stages: egg, waking worm and adult.

Cicadas are considered to be the world's longest-lived insects, and their eggs are laid inside tree branches, where they are left to hatch before the larvae burrow out and complete their first molt on the branch. After molting for a few hours, the cicada drops to the ground, digs with its front claws and then burrows into the ground, where it feeds on the sap of tree roots. After a few months to a dozen years in the darkness of the ground, the grown-up cicadas will emerge from the ground, molt again, and transform into adult cicadas.

Male cicadas die after mating, and female cicadas die after laying eggs. Different species of robins have long and short lifespans; most Chinese cicadas live only about seven years, while American cicadas can live as long as 17 years, but the vast majority of a cicada's life is spent in the waking stage, where members die after mating and laying eggs.

Nutritional value of robin:

Cicada molt is rich in chitin, protein, amino acids, organic acids, etc. It is often used in the treatment of externally sensed wind-heat, coughing and hoarseness, sore throat, itching of rashes, redness of the eyes and cataracts, tetanus, pediatric eclampsia, and more than one cry at night. Ancient "Rites" in the record of the cicada, when the cicada is not only the general civilian food, but also become a good food on the feast of the kings and aristocrats, there are a lot of places to retain the custom of eating cicadas. Cicadas can be eaten in various ways, either braised or fried. It is a high-protein food like earthworms, grasshoppers, ants, bean worms, silkworm pupae, scorpions, bee pupae and other insects. According to nutritionist determination, the cicada contains up to 72% protein, is not a natural nutrition.

The above content reference? Baidu Encyclopedia - Cicada