Blog Archives

Zugunruhe

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Golden-crowned sparrows (Zonotrichia atricapilla) winter along the Pacific Coast and spend summers on the tundra and in shrublands from British Columbia to Alaska. Even though we are located further inland, their bright yellow heads brighten our winter landscape. Soon they … Continue reading

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Checkerspot Caterpillar

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In April while Leonard and I were hiking the Wapama Falls Trail at Yosemite National Park (California), I noticed an interesting caterpillar. The caterpillar had black and white longitudinal markings and rows of short, black spines on an orange base. … Continue reading

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Aspen Clones

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Quaking aspen (Populus tremuloides) reproduces both by seeds and root sprouts. This Willow Family (Salicaceae) member is dioecious, having male and female flowers on different plants. These unisexual, densely clustered, hairy, pendant catkins produce capsules, fruits that split open at … Continue reading

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Quaking Aspen

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Quaking aspen (Populus tremuloides) is the most widely distributed tree in North America. It ranges from Atlantic to Pacific, from Alaska and Canada to northern Mexico. In western North America quaking aspen becomes more and more confined to high-mountain habitats … Continue reading

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Immature Cooper’s Hawk

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Cooper’s hawks (Accipiter cooperi) are generally considered raptors of mature forests, open woodlands and wood edges. However, as extremely adaptive and resilient birds, they now demonstrate the greatest flexibility in range of ecosystems and choice of nesting habitats of the … Continue reading

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Woodland Phlox

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Found in Oregon and the Coast Range of Northern California, woodland phlox (Phlox adsurgens) inhabits open, wooded areas and mixed conifer forests between 1,500 and 6,000 feet. Arising from a slender, underground rootstock, this native perennial has a decumbent, creeping … Continue reading

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Limber Pine

This gallery contains 9 photos.

Limber pines (Pinus flexilis) are timberline trees growing in desert ranges and mountain slopes at elevations as low as 4,000 feet in northern habitats, however, in more southerly climes they only occur much higher. This short, compact pine can be … Continue reading

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