Black-tailed Bumble Bee Bombus melanopygus Apidae Bombus Describe your image Describe your image Describe your image Describe your image Describe your image Describe your image Description Bombus melanopygus is a stout-bodied, mid-sized bumble bee, with pale yellow hair and black bands between wing bases. It also has black hair across the mid-abdomen. Northern populations, seen from Oregon north, have red-orange second and third abdominal segments (black in Mount Diablo specimens). Nectar/ Pollen Plants The Black-tailed Bumble Bee is a flower generalist, but favorites include Ceanothus , lupine, clover and penstemon. Habits Nests in tree cavities, piles of wood, underground in rodent burrows, or even in old bird nests. Season January - July (rarely as early as December)

Bell's Sparrow Towhees, Sparrows, Juncos, and Longspurs Bell's Sparrow Artemisiospiza belli All Year Towhees, Sparrows, Juncos, and Longspurs Daniel Fitzgerald This chaparral sparrow has a distinct breast spot, dark “whiskers” and white eye-ring. The gray head contrasts with the browner back and wing. It often runs on the ground with its longish tail held high.

Wildflower Mount Diablo Prickly Sow Thistle Invasive Scientific Name: Sonchus asper Family: Asteraceae (Sunflower Family) Blooms: March Color: Yellow-Orange Annual herb Introduced Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald Flower detail Daniel Fitzgerald Full plant Daniel Fitzgerald

Wildflower Mount Diablo Yarrow Scientific Name: Achillea millefolium Family: Asteraceae (Sunflower Family) Blooms: Mar - Jun Color: White Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Kevin Hintsa

Wildflower Mount Diablo Virgin’s Bower Scientific Name: Clematis ligusticifolia Family: Ranunculaceae (Buttercup Family) Blooms: Jul - Aug Color: White Perennial herb or vine Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Mount Diablo Bird's-beak Scientific Name: Cordylanthus nidularius Family: Orobanchaceae (Broomrape Family) Blooms: Jun - Jul Color: White Annual herb (hemiparasitic) Native, endemic to California California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere ). This plant is rare in Mount Diablo State Park. See full list Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Hedge-nettle, Wood Mint Scientific Name: Stachys rigida var. rigida Family: Lamiaceae (Mint Family) Blooms: May - Aug Color: Red-Pink Perennial herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Mike Woodring

Wildflower Mount Diablo Rosinweed Scientific Name: Calycadenia truncata Family: Asteraceae (Sunflower Family) Blooms: July Color: Yellow-Orange Annual herb Introduced Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Daniel Fitzgerald Oregon Western Rosinweed

Western Wood-Pewee Flycatchers Western Wood-Pewee Contopus sordidulus Summer Flycatchers Daniel Fitzgerald Daniel Fitzgerald Found in coniferous or mixed coniferous-deciduous forests, including riparian areas. Told from other flycatchers by the presence of obvious wing bars (compare to Olive-sided Flycatcher ). They generally do not wag their tails as phoebes do. Nests in trees, building a cup-shaped nest structure consisting of grasses, leaves, bark, and spider's silk. Diet primarily includes insects caught in flight.

Barn Swallow Swallows and Larks Barn Swallow Hirundo rustica Summer Swallows and Larks Daniel Fitzgerald Daniel Fitzgerald Often found in open areas, usually near water. Deeply forked tail, reddish orange throat, and buffy orange underparts separate this swallow from all others in our area. Breeds in colonies, but may sometimes be a solitary nester. Nests in a wide variety of situations, most commonly on sides of buildings or under bridges. Nest is a cup-shaped structure constructed of mud and grasses. Eats insects caught in flight.

Wildflower Mount Diablo Clammy Clover Scientific Name: Trifolium obtusiflorum Family: Fabaceae (Legume Family) Blooms: Apr-Jul Color: Red-Pink Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steve Beatty

Wildflower Mount Diablo Hill Suncup Hairy Suncup, Self-pollinating Suncup Scientific Name: Camissonia hirtell Family: Onagraceae (Evening Primrose Family) Blooms: May - Jun Color: Yellow-Orange Annual herb Native Jump to Blooming Now Blue / Purple Red / Pink White Yellow / Orange Invasive Plants Steve Smith