Mexican beaded lizard generic name "Heloderma" means "studded skin", from the Ancient Greek words "hêlos" (ἧλος)—the head of a nail or stud—and "dérma" (δέρμα), meaning skin. Its specific name, "horrĭdum", is the Latin word meaning rough or rude. The four subspecies of beaded lizard, elevated to full species in 2013, are: Adult beaded lizards range from in length. They are substantially larger than the Gila monster, which only reaches lengths of . The snout-to-vent length of a beaded lizard averages . The average body mass of an adult beaded lizard is , about 45% heavier than the average mass of a gila monster,
Lizard buzzard Lizard buzzard The lizard buzzard ("Kaupifalco monogrammicus") or lizard hawk is a bird of prey in the family Accipitridae. It is native to Sub-Saharan Africa. Despite its name, it may be more closely related to the "Accipiter" hawks than the "Buteo" buzzards. Molecular phylogenetic studies have revealed that the lizard buzzard is not closely related to "Buteo" buzzards but rather to "Accipiter" hawks. This extends to morphological associations, e.g. the lizard buzzard has pointed and fairly short wings. The lizard buzzard is a smallish stocky raptor with a total body length of 35–37 cm and a wingspan of about 79