Cedar waxwings are native to North America and frequently seen during the summer. Many of them migrate south but quite a few will overwinter in southern British Columbia, especially on Vancouver Island. It was lovely and unexpected to recently see this pretty bit of brightness. Happy Tuesday. P...
Bird responses to broad-leaved forest patch area in a plantation landscape across seasons Although plantation forests have widely replaced native forests worldwide, few studies have examined the effects of plantation forestry on organisms at the... Y Yamaura,S Ikeno,M Sano,... - 《Biological ...
Multi-scale comparison of native and exotic communities in the Garry oak ecosystem of British Columbia Fundamental debates persist regarding the ecology of species invasions, the risk posed by exotic species, and the most effective management to diminish inv... JR Bennett 被引量: 0发表: 1961年 ...
Trumpeter swans and tundra swans are the two species of swans native to North America, both nesting in Alaska. The tundra swan was formerly named the whistling swan. A few whooper swans an Asian temperate region relative to trumpeters, are occasionally seen in the Aleutian Islands during winter...
The yellow-crowned bishop (Euplectes afer) is a species of passerine bird in the family Ploceidae native to Africa south of the Sahara. It is highly sexually dimorphic in its breeding season, during which the male adopts a distinctive yellow and black plumage, contrasting with the female's ...
Figure 8.1 shows a female and male redwing by Gould, native to Europe and Asia. Both sexes look similar: plain brown backs, dark brown spots on beige underparts, red flanks and underwings as well as fawn-coloured stripes above the eye. The female protects the nest with its four eggs,...
Kobayashi F, Toyama M, Koizumi I (2014) Potential resource competition between an invasive mammal and native birds: overlap in tree cavity preferences of feral raccoons and Ural owls. Biol Invas 16:1453–1464. https://doi.org/10.1007/s10530-013-0583-z Article Google Scholar Koch AJ, Munk...
Even with a considerable effort by LaBastille to save the Atitlan Grebe, probably the introduction of non-native Largemouth Bass into the lake in late 1950s, doomed the bird The non-flying adults, and especially their young, fell easy prey. Anne LaBastille wrote a book about the Atitlan Gre...
Cage experiments were used to determine the minimum number of Aphis fabae Scopoli that females of the Azorean native ladybird beetle Coccinella undecimpun... AO Soares,A Serpa - 《Population Ecology》 被引量: 73发表: 2007年 Intraguild Predation Behaviour of Ladybirds in Semi-Field Experiments Ex...
to settlement. In a slight majority of studies, bird density increased, but richness and evenness decreased in response to urbanization. The most consistent effects of increasing settlement were increases in non-native species of birds, increases in birds able to nest on buildings (esp. swifts ...