Displaying 1 – 22 of 22
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Biology
Description of Grus canadensis
栖息在开阔的湿地、浅水沼泽和湿草甸,繁殖季节指名亚种常在加拿大北极圈内的班克斯岛南部、西伯利亚东北部苔原的沙丘上营巢。杂食性,主要以植物性食物为食,如薹草或羊胡子草的球茎、熊果(Arctostaphylos sp.)和岩高兰的浆果等,迁徙和越冬时主要吃小麦落穗、高粱种子、玉米、紫苜蓿、橡子等;动物性食物有蚯蚓、螺、蚱蜢和其他昆虫以及旅鼠、雷鸟(Lagopus lagopus)和雪雁(Anser caerulescens)的卵或雏鸟等。指名亚种约在5月中旬到达在北极的繁殖地;营巢时只把一些草茎和细树枝,拖到散生少量植物的沙丘顶部凹坑中,或在沼泽中建成草堆状的巢,巢高10—20 cm。顶部直... -
Habitat
Description of Phacelia cookei
Comments: Open areas, including disturbed roadsides, seedling conifer plantations, and recently... -
Habitat
Description of Kalmiopsis leachiana
Comments: On open mountain slopes, at middle elevations, usually in rocky... -
Habitat
Description of Lupinus kuschei
Comments: Appears to prefer sandy or gravelly substrates. Habitats include sand... -
Floral Records
Description of Anthidium maculosum
Agavaceae: Agave sp. Apiaceae: Angelica scabrida. Asteraceae: Aster sp.; Chaenactis douglasii;... -
Habitat
Description of Erigeron arisolius
Comments: Usually in open habitats, in semi-desert grasslands or in grassy... -
Risks
Description of Martes americana humboldtensis
Stewardship Overview: "Managers can increase the likelihood of marten population persistence... -
Habitat
Description of Sidalcea hickmanii pillsburiensis
Comments: Open chaparral on non-serpentine rocky soils of the Franciscan formation.... -
Habitat
Description of Cirsium pitcheri
Comments: Cirsium pitcheri occurs most prominently in Michigan, occurring in 18... -
Arctostaphylos
Description of Arctostaphylos
See also: Manzanita Arctostaphylos (...... -
Habitat
Description of Cypripedium arietinum
Comments: Seems to occur in three general situations (Brzeskiewicz 2000): (1)... -
American red squirrel
Description of Tamiasciurus hudsonicus
For the Eurasian red squirrel, see Red Squirrel. The...... -
Plantae > Ericaceae
Arctostaphylos sp. Adanson (1763)
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Plantae > Ericaceae
Arctostaphylos media Greene (pro sp.)
Media ManzanitaAlternative name: Arctostaphylos X media Greene (pro sp.)
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Plantae > Ericaceae
Arctostaphylos coloradensis Rollins (pro sp.)
Colorado ManzanitaAlternative name: Arctostaphylos X coloradensis Rollins (pro sp.)
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Plantae > Ericaceae
Arctostaphylos laxiflora Heller (pro sp.)
Lazyflower ManzanitaAlternative name: Arctostaphylos X laxiflora Heller (pro sp.)
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Plantae > Ericaceae
Arctostaphylos parvifolia Howell (pro sp.)
Gravel ManzanitaAlternative name: Arctostaphylos X parvifolia T. J. Howell (pro sp.)
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Plantae > Ericaceae
Arctostaphylos benitoensis Roof (pro sp.)
Benito ManzanitaAlternative name: Arctostaphylos X benitoensis J. B. Roof (pro sp.)
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Plantae > Ericaceae
Arctostaphylos campbelliae Eastw. (pro sp.)
Campbell ManzanitaAlternative name: Arctostaphylos ×campbelliae Eastw. (pro sp.) [glauca × tomentosa]
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Plantae > Ericaceae
Arctostaphylos jepsonii Eastw. (pro sp.)
Jepson's ManzanitaAlternative name: Arctostaphylos ×jepsonii Eastw. (pro sp.) [patula × viscida]
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Plantae > Ericaceae
Arctostaphylos helleri Eastw. (pro sp.)
Heller's ManzanitaAlternative name: Arctostaphylos ×helleri Eastw. (pro sp.) [myrtifolia × viscida]
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Plantae > Ericaceae
Arctostaphylos cinerea Howell (pro sp.)
Waldo ManzanitaAlternative name: Arctostaphylos ×cinerea Howell (pro sp.) [canescens × viscida]