Why is the feeding frequency of an adult yellow anaconda in the wild relatively infrequent?
Because they digest a single large meal over a period that can last weeks or even months
The infrequent feeding pattern of adult yellow anacondas is a direct result of their massive size and the large caloric load provided by their substantial meals, such as capybaras or caimans. Due to their status as large, non-venomous constrictors, they possess a slow metabolism. This metabolic efficiency allows them to process one very large meal over an extended period, sometimes lasting several weeks or even months before needing to feed again. This contrasts with smaller snakes, which require more frequent intake, especially terrestrial species that cannot retreat to water to aid in thermoregulation during digestion.

#Videos
Feeding Yellow Anaconda 2013 - YouTube