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kaka and 1080 poison 1080: The Facts website (a public education initiative by Forest and Bird and Federated Farmers) Effects of a 1080 operation on kaka and kereru survival and nesting success, Whirinaki Forest Park, Powlesland et al. (PDF, 400kb) New Zealand Journal of Ecology (2003) 27(2): 125–137
2018: After the death of 3 birds, the population reduced to 149 birds. [109] 2019: An abundance of rimu fruit and the introduction of several new technologies (including artificial insemination and 'smart eggs') helped make 2019 the best breeding season on record, with over 200 eggs laid and 72 chicks fledged. According to the Kākāpō ...
The Auckland population dates from about 1920 and the Wellington one from about 1960. [8] [9] As early as 1928 the rosella was reported as being a pest around Auckland. [10] The sulphur-crested cockatoo population appears to be result of escapes of captive birds which have built to a total population of fewer than 1000 birds.
The average global population of all mature birds is estimated to be on the order of 100 billion individuals. [1] [2] [3] The total population including younglings is somewhat higher during the breeding season of each species. [3] This list is incomplete, because experts have not estimated all bird numbers.
The total kea population was estimated at between 1,000 and 5,000 individuals in 1986, [83] contrasting with another estimate of 15,000 birds in 1992. [39] The kea's widespread distribution at low density across inaccessible areas prevents accurate estimates. [76] [84] Estimates published in 2017 suggest a population of between 3000 and 7000 ...
A new study found evidence that income inequality and historic redlining affect the types of birds people experience across Los Angeles County. How L.A.'s bird population is shaped by historic ...
Similar to the North Island kaka, but slightly smaller, brighter colours, the crown is almost white, and the bill is longer and more arched in males. [11] New Zealand: South Island Unbroken tracts of Nothofagus and Podocarpus forests 450–850 m AMSL in summer and 0–550 m in winter. [14] North Island kākā (Nestor meridionalis septentrionalis)
The most commonly used name kākāriki is Māori in origin meaning "small parrot" (from kākā ‘parrot’ and riki ‘small’); [1] it has also been used to refer to the colour green because of the birds' predominantly green plumage. [2] [3] The patches of red on the birds' rumps are, according to legend, the blood of the demigod Tāwhaki. [4]