Biology — Phylogeny: bird orders
A simplified cladogram of major bird groups (branch lengths ≈ MYA).
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(((Passerines:50,Parrots:50):10,Raptors:60):20,(Waterfowl:70,Ratites:70):10);
A simplified cladogram of major bird groups (branch lengths ≈ MYA).
(((Passerines:50,Parrots:50):10,Raptors:60):20,(Waterfowl:70,Ratites:70):10);