Related by context. Frequent words. (Click for all words.) 51 habitat fragmentation 49 genetic variability 49 species 49 temperate forests 48 avian species 48 terrestrial ecosystems 48 pronghorns 48 caribou herds 48 aquatic habitats 48 taxa 47 lynx habitat 47 ecosystems 47 wolverines 47 subpopulations 47 populations 47 ungulates 46 subspecies 45 grassland habitat 45 ungulate 45 vertebrate species 45 genetically distinct 45 landmasses 45 lynx 45 Yellowstone ecosystem 45 carnivorous dinosaurs 45 genetic diversity 45 subpopulation 45 pikas 45 theropod 44 evolutionarily 44 megafauna 44 greater sage grouse 44 morphologically 44 amino acid sequences 44 wolverine 44 habitats 44 ribbon seals 44 biota 44 hominins 44 arthropod 43 Florida panthers 43 phylogenetic 43 ecologies 43 Indohyus 43 mammals 43 headwater streams 43 abiotic 43 Mexican spotted owl 43 genotypic 43 ecological niches 43 characteristics 43 flyways 43 latitudinal 43 clades 42 landforms 42 crocodilians 42 habitat 42 breeding colonies 42 mammal 42 amphibian populations 42 biome 42 microenvironments 42 subarctic 42 mtDNA 42 subfamily 42 pronghorn 42 mammal species 42 geographically separated 42 pupfish 42 pollinating insects 42 subregions 42 Polar Regions 42 snowshoe hare 42 primate species 42 nitrogen fixation 41 Sage grouse 41 Yellowstone grizzlies 41 biodiversity hotspots 41 deer herds 41 ant species 41 desert bighorn sheep 41 marine invertebrates 41 GPS collars 41 lava tubes 41 symbionts 41 morphologies 41 sharp tailed grouse 41 genetically 41 tiger habitats 41 seamounts 41 federally endangered 41 forest ecosystems 41 phenotypes 41 spawning habitat 41 owl habitat 41 salmonids 41 gene expression profiles 41 behavioral traits 41 biologically 41 forbs 41 boreal forests