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The California scrub jay is a medium-sized bird, approximately 27–31 cm (11–12 in) in length (including its tail), with a 39 cm (15 in) wingspan, and about 80 g (2.8 oz) in weight. In general, this species has a blue head, wings, and tail; a gray-brown back; grayish underparts; and white eyebrows.
This bird was named by Audubon for John Graham Bell, who accompanied him on his trip up the Missouri River in the 1840s. The least Bell's vireo (Vireo bellii pusillus) is an endangered subspecies in Southern California. Consideration of Bell's vireo has been a factor in several land development projects, to protect least Bell's vireo habitat ...
Some California native plants are in rapid decline in their native habitat due to urban sprawl, agriculture, overgrazing, recreational impacts, pollution, and invasive non-native species (invasive exotics) colonization pressures (animals and other kingdoms of life, as well as plants). [17] California also has 1,023 species of non-native plants ...
Chaparral comprises 9% of California's wildland vegetation and contains 20% of its plant species. [ citation needed ] Conservation International and other conservation organizations consider chaparral to be a biodiversity hotspot [ 5 ] – a biological community with a large number of different species that is threatened by human activity.
The natural habitat of the California gnatcatcher is primarily the coastal sage scrub ecosystem. This type of habitat is found in areas with a Mediterranean climate—mild, wet winters and hot, dry summers. The gnatcatcher favors areas with low shrubs and a mix of grasses and wildflowers, where it can easily find insects.
The Endemic flora of the State of California — native plants found within its borders, and nowhere else in nature.; The largest area of the state is in the Mediterranean climate floristic region, within the California Floristic Province — with the greatest number of endemic plants in North America.
The California gnatcatcher (Polioptila californica) is a small 10.8 cm (4.3 in) long insectivorous bird which frequents dense coastal sage scrub growth. This species was recently split from the similar black-tailed gnatcatcher of the Sonoran and Chihuahuan deserts. This bird is often solitary, but joins with other birds in winter flocks.
Its winter range extends from southern California and Louisiana south to include the rest of its breeding range. The white-faced ibis chooses to nest in the parts of a marsh with dense vegetation [ 8 ] such as bulrush, cattails, shrubs, and short trees. [ 10 ]