Name(s):______

Pinta X

Mapping Simplified Map Mockingbirds Marchena X of the Teacher Answer Key Galápagos Islands

All four species of Galápagos Santiago mockingbirds are endemic to the archipelago, meaning they are native the N islands and found nowhere else in the X W E world. But exactly which islands do they X Baltra inhabit, and how are they related to one X S another? Fernandina X Your task is to map both the geographic distribution and the evolutionary X Santa Cruz relationships of the Galápagos X mockingbirds. To solve this puzzle, use wind San Cristóbal information from the List of Clues. Listen Isabela direction to instructions for help with color‐coding your map and completing the family Floreana tree. X Española X

Image Key Name of Mockingbird Species Notes • More closely related to bird on San Cristóbal than one Scientific:_Nesomimus macdonaldi______on Santa Cruz • Dark throat stripe; spotted breast band Common:_Española mockingbird______• Sister group lives on San Cristóbal

• Lives on one of the southern islands Scientific:_Nesomimus trifasciatus______• Dark head; white patch behind eye • Endangered Common:_Floreana mockingbird______• Shares a recent common ancestor with N. parvulus

• Shares a recent ancestor with Floreana mockingbird Scientific:_Nesomimus parvulus______• More closely related to N. trifasciatus than to N. melanotis Common:_Galápagos mockingbird______• Lives on Marchena: does not have a dark throat stripe

• Lives on island that is located farthest to the east Scientific:_Nesomimus melanotis______• Narrow neck collar; black throat stripe • Sister group lives on Española Common:_San Cristóbal mockingbird_____

Family Tree of the Galápagos Mockingbirds Genus Nesomimus ? (closest continental relative)

Ancestor to all * Nesomimus trifasciatus modern ( Floreana mockingbird ) mockingbirds Note: Nesomimus parvulus These ( Galápagos mockingbird )

two

Nesomimus macdonaldi answers ______: scientific name of modern species ( Española mockingbird )

* : indicates endangered status are Nesomimus melanotis : lineage, a line of descent from a particular ancestor interchangeable ( San Cristóbal mockingbird ) : node, the point where a single lineage diverges