Mar 17 • 05:00 UTC 🇪🇸 Spain El País

Oviraptors did not incubate like today's birds: 'They made delicate nests and arranged the eggs orderly'

A recent study suggests that oviraptor dinosaurs from Asia may have used sunlight to incubate their eggs, contrary to previous beliefs about their behavior.

A new study published in Frontiers in Ecology and Evolution reveals that oviraptor dinosaurs, contrary to their name which suggests egg theft, were actually attentive caregivers to their eggs, providing warmth through direct body contact and potentially utilizing solar heat for incubation. These revelations challenge prior notions and suggest complexities in their nesting behaviors that resemble some modern avian practices.

The oviraptors, standing about 1.5 meters tall and weighing between 20 to 40 kilograms, displayed a variety of physical traits, including feather-like structures, a short and high beak, and no teeth, drawing parallels to certain modern birds such as turkeys. The first oviraptor fossils were discovered in Mongolia in 1923 and later in China, marking the beginning of paleontological interest in these unique dinosaurs, which were omnivorous in diet.

The implications of this study extend beyond mere academic curiosity, as they invite a reevaluation of dinosaur parenting behaviors and their evolutionary connections to modern birds. The findings emphasize the significance of studying ancient species to gain insights into contemporary biological and ecological systems, showing that the past can reveal unexpected relationships in the evolutionary timeline.

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