Food web theory suggests ecology may be governed by general rules
...tive ecosystems. For example, scorpions, cacti and woodpeckers native to the Sonoran Desert, it is generally thought, abide by food-web laws distinct from the laws dictating the food-web structure of fish, crabs and plankton in the Chesapeake Bay. To test their theory, the researchers selected seven of the most...Expeditions find no evidence of ivory-billed woodpecker
...sive as to the presence or absence of ivory-billed woodpeckers in southern Louisiana, or even in the Pearl River ...demands continued scientific inquiry. Ivory-billed woodpeckers were known to be highly mobile, sometimes moving great distances as their principal resources (large...Global analysis finds nearly half the Earth is still wilderness
...of Arizona, California and Mexico, with their Gila woodpeckers and giant cacti, to Amazonia's rainforests, teeming with biodiversity including 30,000 endemic plant species and 122 endemic primate species and subspecies. To qualify as "wilderness," an area has 70 percent or more of its original vegetation intact,...SRS research highlights from the Red-Cockaded Woodpecker Symposium
...s endangered in 1970, small groups of red-cockaded woodpeckers can still be found in a range that stretches from ...part of Texas and southeast Oklahoma. Red-cockaded woodpeckers are uniquely adapted to the fire-maintained southern pine ecosystem and require relatively large, li......rray of natural ornaments: species from lichens to woodpeckers to flying squirrels. Every year, on the second Sunday in December, the annual "Trek to the Tree" takes place. At the tree, as part of a living memorial ceremony, National Park Service rangers place a giant wreath to commemorate those lost in service...Woodpeckers: There's a fungus among us
... "snags." The authors examined several species of woodpeckers living in ponderosa pine forests in northern Calif...hey are used by wildlife. Without adequate decay, woodpeckers are unable to excavate nest cavities vital components of forests that serve as nesting sites to a v...Using science to restore habitat for declining species
...rd. Designated as endangered in 1970, red-cockaded woodpeckers are uniquely adapted to the fire-maintained southern pine ecosystem and require large, living pine trees for nesting. SRS researcher Richard Conner focuses on the ecology, habitat, and behavior of these cavity-nesting birds. When excavating its nest,...US investment firm gives away Rhode Island-sized lands in Chile
...rts a wide range of wildlife, including Magellanic woodpeckers (a cousin of the fabled ivory-billed woodpecker of the southern US), firecrown hummingbirds, and the culpeo fox. The guanaco, a member of the camel family, is the region's signature animal, symbolic of the valuable open ecosystems of southern South ...