Assertion: songbird | /r/CapableOf | learn their songs
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Source sentences:
text: Songbirds learn their songs and perform them using a specialized voice box called a syrinxSEE-rinksthe bird voice box, located at the branch point between the trachea and bronchi and containing vibrating tissues called labia, in songbirds capable of making two sounds at once via independent muscle control.
text: These adaptations have been remarkably successful—songbirdsa species from the oscine (ah-SEEN) group of passerine (PASS-er-een) birds, songbirds (including sparrows, thrushes, and warblers) have a specialized voice box called a macsyrinx that can produce complex sounds, songbirds must learn their songs rather than developing them instinctively make up almost half of the world’s 10,000 bird species including warblers, thrushes, and sparrows.
text: While some birds hatch knowing the songs they will sing as adults, the true songbirdsa species from the oscine (ah-SEEN) group of passerine (PASS-er-een) birds, songbirds (including sparrows, thrushes, and warblers) have a specialized voice box called a syrinx that can produce complex sounds, songbirds must learn their songs rather than developing them instinctively have to learn how to communicate effectively.
text: Like many songbirdsa species from the oscine (ah-SEEN) group of passerine (PASS-er-een) birds, songbirds (including sparrows, thrushes, and warblers) have a specialized voice box called a syrinx that can produce complex sounds, songbirds must learn their songs rather than developing them instinctively, sparrow nestlings listen closely to nearby males and then use these tutorin songbirds which do not develop their songs instinctively, one of the adults that a young bird listens to as a nestling and models its adult song on songs as templates for their own songs.
text: Along with parrots and bellbirds, hummingbirds are one of the rare bird groups that learn their songs even though they are not true songbirdsa species from the oscine (ah-SEEN) group of passerine (PASS-er-een) birds, songbirds (including sparrows, thrushes, and warblers) have a specialized voice box called a syrinx that can produce complex sounds, songbirds must learn their songs rather than developing them instinctively—a good example of how learning can evolve multiple times from different ancestors.5