What are the differences between pythons and boa constrictors?

The key differences between pythons and boa constrictors lie in their physical traits, geographical distribution, and reproductive methods. Both are large, muscular snakes, but pythons tend to be larger, with some species such as the reticulated python reaching lengths of up to 10 meters (33 feet). Boa constrictors usually measure about 3 meters (10 feet), although some can grow longer. Pythons also have heat-sensing pits between their lip scales to detect warm-blooded prey, a feature absent in boa constrictors but present in a few other boa species.

Pythons thrive in tropical and subtropical landscapes across Africa, Asia, and Australia. Boa constrictors, on the other hand, inhabit regions from northern Mexico to Argentina.

Oviparousby nature, Pythons lay eggs and often coil around the eggs to regulate temperature through muscle contractions. In contrast, boa constrictors are ovoviviparous. Female boa constrictors incubate eggs inside their bodies until they hatch and give birth to live young.