National Geographic Research, Volume 2

abundance adult alleles altitude altitudinal American animals ankylosaurs archaeological assemblages Basin behavior Biology birds of paradise butterflies buttes carbon central cheetahs chiefs cliffs core Department deposits dinosaurs display distribution dorsal dugongs eastern Mediterranean Ecology editors episapropelic erato evapotranspiration excavations fauna females Figure forest fossil genetic distances Geological Gourma-Rharous grassquits groundwater groups habitat hadrosaurs Heliconius holes home ranges hypsilophodonts individuals irrigation island Journal king land Late Preclassic Lesothosaurus located males mammals margin mating Mesoplodon Miocene Museum NATIONAL GEOGRAPHIC RESEARCH National Geographic Society Niger Oahu organic ornithischian pachycephalosaurs pattern pikas plants populations pseudoscorpions Psiguria region relatively ridge roost S₁ sample sapropel sapropelic sequences sediments sherds Shield Trap skull soil South southern species specimens stegosaurs structure study area Sulawesi surface survey Table Tamshiyacu taxa temperature tephra Thyreophora Tigre Timbuktu tion transect tree-hole University upper urban Vertebrate Yoruba younger juveniles zone Zoology