Tiny, long-armed dinosaur leads to rethink of dinosaur miniaturization
via arstechnica.com
Short excerpt below. Read at the original source.
Alvarezsaurids were mostly small-bodied theropods that paleontologists originally misinterpreted as early flightless birds, only to later recognize them as an ant-eating lineage of non-avian dinosaurs. For years, we suspected that Alvarezsaurids underwent a rare process of evolutionary miniaturization directly coupled to a diet of social insects like ants and termites. It was a tidy hypothesis: […]