A female deer or a bird associated with female deer in folk terminology, possibly referring to a specific species in regional dialect.
Compound of 'doe' (female deer, from Old English 'dā') and 'bird.' This appears to be either a regional naturalist term or folk classification that hasn't survived in modern usage.
Naturalists used to create their own compound names for animals before standard nomenclature took over—'doebird' is a charming remnant of when people named creatures by describing what they observed rather than using Latinized science names.
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