<p><b>Heloderma exasperatum</b>, commonly known as the Mexican beaded lizard, is a strikingly beautiful, venomous lizard characterized by its black and dark brown body adorned with vibrant yellow and orange bead-like patterns. This nocturnal predator, native to western Mexico's temperate forests and savannas, plays a crucial role in its ecosystem while facing threats from habitat destruction and illegal trade.</p>