Remnants of a spruce forest complex following a severe wildfire in the Yukon Flats National Wildlife Refuge, Alaska. Wildfires are the dominant landscape-scale disturbance operating at annual time scales in Alaska, and fires play a major role in the rate and extent of vegetation growth and productivity of a site.
Images
Core Science Systems images.
Remnants of a spruce forest complex following a severe wildfire in the Yukon Flats National Wildlife Refuge, Alaska. Wildfires are the dominant landscape-scale disturbance operating at annual time scales in Alaska, and fires play a major role in the rate and extent of vegetation growth and productivity of a site.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
Red admiral and a pearl crescent butterfly on butterfly weed flowers
Red admiral and a pearl crescent butterfly on butterfly weed flowersAdult red admiral and pearl crescent butterflies drink nectar from a butterfly weed flower in a residential garden.
Red admiral and a pearl crescent butterfly on butterfly weed flowers
Red admiral and a pearl crescent butterfly on butterfly weed flowersAdult red admiral and pearl crescent butterflies drink nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
Pearl crescent butterfly on butterfly weed flowers
Pearl crescent butterfly on butterfly weed flowersAn adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
Pearl crescent butterfly on butterfly weed flowers
Pearl crescent butterfly on butterfly weed flowersAn adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
Pearl crescent butterfly on butterfly weed flowers
Pearl crescent butterfly on butterfly weed flowersAn adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
Pearl crescent butterfly on butterfly weed flowers
Pearl crescent butterfly on butterfly weed flowersAn adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
A red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
A red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A bee forages for pollen on a daisy-like flower in a cultivated garden on a winter day. The daisy is most likely Euryops pectinatus or African bush daisy. Identification assistance provided by Dr Marinda Koekemoer, Taxonomist, National Herbarium (PRE), South African National Biodiversity Institute.
A bee forages for pollen on a daisy-like flower in a cultivated garden on a winter day. The daisy is most likely Euryops pectinatus or African bush daisy. Identification assistance provided by Dr Marinda Koekemoer, Taxonomist, National Herbarium (PRE), South African National Biodiversity Institute.
A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.
A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.
A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. The hole is made in the egg to extract the yolk and other fluids while leaving the shell intact.
A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. The hole is made in the egg to extract the yolk and other fluids while leaving the shell intact.
A hollowed out ostrich egg sold as a home decoration or tourist souvenir in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.
A hollowed out ostrich egg sold as a home decoration or tourist souvenir in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.