How do estrildids generally compare to Fringillids regarding vocalization?
Answer
Estrildids are generally considered to have simpler vocal capabilities than Fringillids.
When comparing the families Estrildidae and Fringillidae, which house the Zebra Finch and the 'true' finches respectively, there is a noted difference in vocal complexity. Although the male Zebra Finch is well-known for developing a complex song utilized during courtship displays, members of the Estrildidae family, as a general rule, are regarded as having simpler vocal capabilities when measured against species found in the Fringillidae family. This distinction in vocal structure helps researchers understand evolutionary divergence even among seed-eating birds.
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