The term Genus Echidnophaga refers to a group of fleas that is found in different regions worldwide. These fleas are known to feed mainly on the blood of birds and, in some cases, reptiles. There are several synonyms for the term Genus Echidnophaga, including bird fleas and parasitic fleas. The species under this genus typically have various morphological characteristics such as a compressed body, disproportionately large hind legs, and sharp, backward-facing spines on the head, thorax, and abdomen. Most of these fleas have a high reproductive rate, and they can lay hundreds of eggs at a time. They are also known to transmit several diseases, such as bird flu and salmonella, to their hosts.