Related by context. Frequent words. (Click for all words.) 73 bee populations 70 honeybee population 65 honeybee colonies 64 amphibian populations 61 bee colonies 58 honey bees 58 varroa mite 56 insect populations 56 pollinating insects 56 honeybee 55 Colony Collapse Disorder 54 bee colony 53 honeybees 53 Honey bees 53 grassland birds 52 pollinators 52 species 51 aquatic ecosystems 50 cattle herds 50 Gypsy moths 49 aquatic habitats 49 beekeepers 49 honey bee 49 invasive pests 49 overhunting 49 populations 48 ecosystems 48 Feral hogs 48 apiaries 48 chytrid fungus 48 caribou herds 48 freshwater ecosystems 48 pollinator 48 biodiversity 48 deer herds 47 parasitism 47 species extinctions 47 insect pests 47 overfishing pollution 47 pesticide poisoning 47 marine ecosystems 47 Infestations 46 terrestrial ecosystems 46 amphibian species 46 bumblebees 46 nutrient deficiency 46 seagrasses 46 waterbirds 46 habitat fragmentation 46 insect infestations 46 Antibiotic resistance 46 whitefly 46 blueberry crop 46 potato blight 46 fungal disease 46 insect pest 46 coral reef ecosystems 46 milder winters 46 bees 45 phylloxera 45 habitats 45 gypsy moth caterpillars 45 megafauna 45 ocean acidity 45 pollinate crops 45 elephant poaching 45 pollination 45 woody plants 45 lapwings 45 overharvesting 45 habitat degradation 45 overgrazing 45 timber plantations 44 insects 44 Soybean rust 44 beetle infestation 44 bird species 44 Invasive species 44 warmer winters 44 bumble bees 44 avian species 44 bee hives 44 cereal crops 44 Overfishing 44 insect 44 apiculture 44 Nematodes 44 adelgid 44 crops 44 pathogen 44 amphibians 44 ocean ecosystems 44 whitebark pine 44 herds 44 varroa 44 forest ecosystems 44 Genetically modified crops 44 predation 44 Nile perch 44 coastal ecosystems 44 nutritional deficiency