Child Sacrifices at Famed Maya Site Were All Boys, Many Closely Related

Anthropology.net

Genetic clues have unveiled a type of ritual child sacrifice at an ancient Maya site that consisted only of young boys, often chosen as closely related pairs that included twins.

The discovery stems from a burial of more than 100 people in an underground chamber discovered in 1967 at Chichén Itzá, a once-dominant Maya city in what is now Mexico’s Yucatan Peninsula. Chichén Itzá reached its pinnacle between around A.D. 800 and A.D. 1000, as many Maya cities in Mexico and Central America fell on hard times or were abandoned.

DNA from 64 remains in the chamber identifies the bodies as males, challenging an earlier idea that females sacrificed in fertility rites were interred there, archaeogeneticist Rodrigo Barquera and colleagues report on June 12 in Nature1.

At the ancient Maya site of Chichén Itzá, represented here by the iconic El Castillo pyramid, researchers have discovered that ritual child sacrifice victims found in an underground chamber were young boys, including many closely related pairs and twins. Credit: Johannes Krause

The Sacrifices

Boys identified in the new study ranged in age from 3 to 6, based on their tooth development. Around one-quarter had a brother or other close relative among those with analyzed DNA. Chemical analyses of diet-related substances in bones found that closely related boys had consumed similar types and proportions of foods, a sign of having grown up in the same households. Related children included two sets of identical twins.

“This is the first evidence of Maya sacrifices involving twins, which were important for Maya [beliefs about the universe],”

…says Barquera, of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany.

Potential Reasons for the Sacrifices

The reasons for the fatal ritual remain unclear. However, the findings fit with prior suggestions that the underground space contains children sacrificed to ensure the growth of maize crops or to appease the Maya rain deity Chaac.

While Barquera and colleagues regard the burial chamber as a repurposed underground cistern for storing water, archaeologist James Brady of California State University, Los Angeles, says it was constructed as an artificial cave. Ancient Maya people created large numbers of artificial caves for a range of spiritual purposes, Brady notes. He examined the chamber in 2017 and 2018.

Connections to Maya Mythology

Barquera’s team suspects that closely related boys were chosen for ritual sacrifices as stand-ins for powerful mythological figures known as the Hero Twins. A Maya document written in the 1550s, the Popul Vuh, recounts tales of the Hero Twins avenging the murders of their father and uncle (also twins) by underworld gods. After a series of sacrificial deaths, the Hero Twins came back to life to outwit those same deities.

Radiocarbon dating of bones from the underground chamber indicates that boys were ritually interred from around A.D. 500 to A.D. 900. The team cannot say for certain whether the ancient Maya placed bodies there one at a time over decades and centuries, or if sacrificed children were buried in pairs or larger sets.

Modern Echoes of Ancient Rituals

Barquera’s findings

“bring to mind ancestral Yucatec rain invocation ceremonies that are still practiced among traditional Maya communities, especially during times of drought,”

…says Vera Tiesler, a bioarchaeologist at the Autonomous University of Yucatán in Mérida, Mexico, who did not participate in the new study. In that context, Barquera’s scenario of agriculturally related sacrifices of closely related boys associated with the Hero Twins is plausible, she says.

However, too little is known about ancient Maya rituals at Chichén Itzá to conclude that sacrificed male twins had anything to do with the Hero Twins story, says bioanthropologist Cristina Verdugo of the University of California, Santa Cruz.

During modern Cha-Chaac rites, boys sit beneath or are tied to an altar adorned with vegetation. The youngsters, no longer ritually sacrificed, imitate sounds of the four winds, frogs, or other noises linked to first rains, aiming to invoke the cooperation of the rain god Chaac.

Historical Context

Previous Chichén Itzá researchers described a type of flute called an ocarina that lay among human remains in the underground chamber, Tiesler says. That instrument could have been used to produce rain-relevant sounds, she speculates.

The DNA findings at Chichén Itzá fit with emerging evidence that, at least at some ancient Mexican and Central American sites, the sex of the deity to whom sacrifices were made determined the sex of those chosen as offerings, Verdugo says. The male rain god Chaac possibly motivated sacrifices of young boys at Chichén Itzá.

At an Aztec site in Mexico, other researchers have reported that a temple dedicated to the male rain god Tlaloc contained a burial place for ritually sacrificed boys. And preliminary genetic investigations, directed by Verdugo, at Midnight Terror Cave in Belize have found that four sacrificed youngsters assessed so far — out of at least 55 interred there between around A.D. 550 and A.D. 900 — are female.

Varied Ritual Practices

What is clear, Barquera says, is that ritual sacrifices differed in various ways across many ancient Maya sites and even within the same sites.

Aside from the sacrificial burial chamber at Chichén Itzá, more than 200 sacrificed individuals found in a large sinkhole known as the Sacred Cenote included males and females ranging in age from children to adults. Tiesler and colleagues have reported that many of those people came from as far away as Central Mexico and Central America, perhaps as part of groups involved in long-distance trading.

Reliefs and murals in the Sacred Cenote, as well as skeletal evidence, indicate that sacrificial rituals included removing heads and other body parts for public display, Tiesler says.

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Barquera, R., Del Castillo-Chávez, O., Nägele, K., Pérez-Ramallo, P., Hernández-Zaragoza, D. I., Szolek, A., Rohrlach, A. B., Librado, P., Childebayeva, A., Bianco, R. A., Penman, B. S., Acuña-Alonzo, V., Lucas, M., Lara-Riegos, J. C., Moo-Mezeta, M. E., Torres-Romero, J. C., Roberts, P., Kohlbacher, O., Warinner, C., & Krause, J. (2024). Ancient genomes reveal insights into ritual life at Chichén Itzá. Nature, 1–8. https://doi.org/10.1038/s41586-024-07509-7