| hematology, serum chemistry, and serology of galápagos penguins (spheniscus mendiculus) in the galápagos islands, ecuador. | the galápagos penguin (spheniscus mendiculus) is an endangered species endemic to the galápagos islands, ecuador. in 2003 and 2004, 195 penguins from 13 colonies on the islands of isabela and fernandina in the galápagos archipelago were examined. genetic sexing of 157 penguins revealed 62 females and 95 males. hematology consisted of packed cell volume (n = 134), white blood cell differentials (n = 83), and hemoparasite blood smear evaluation (n = 114). microfilariae were detected in 22% (25/114 ... | 2006 | 17092893 |