Cook ( 1939 ) described an hereditary albinism in the American robin ( " Turdus migratorius"
2.
The scientific name " Turdus migratorius, " also mimics the purpose of collection system work-migrating turds . [ 50]
3.
The song is a subdued mellow warbling, resembling a more refined, sweeter version of the American robin's ( " Turdus migratorius " ).
4.
This has been seen occurring by looking at the average time of arrival and departure at high altitude areas for the American robin ( " Turdus migratorius " ).
5.
These include the American robin ( " Turdus migratorius " ), which is a thrush, and the Australasian robins of the family Petroicidae, the relationships of which are unclear.
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