Philippine Eagle-Owl
Ketupa philippensis
A large owl of lowland and foothill forest, including secondary habitat and plantations. Warm brown with a heavily marked back, a heavily streaked rufous head and chest, and a more sparsely streaked pale belly. Note the square-shaped head with flattened ear tufts and the yellow eyes. Unmistakable. No other owls of similar size occur in its range. Gives a long, drawn-out, spooky whistled note whose pitch rises slightly, then falls at the end.
识别特征
The Philippine eagle-owl has a total wingspan of about 48 inches, and with a total length of 40–50 cm (15.5–19.5 in) and a wing-length of about 35 cm (14 in), (where typically a female would size larger than a male) it is the largest owl in the Philippines, but among the smallest members of the genus Ketupa. It is overall rufous with a lighter belly and yellow eyes. It has a warm brown coloring with many markings on its back, with a bird call pitch of a long whistle that rises shortly and falls at the end. It is also described as being incredibly bulky and having tufted ears, closely resembling the buffy fish-owl (Ketupa ketupu). The subspecies K. p. mindanensis is darker and more heavily streaked than the nominate form.
分类信息
The Philippine eagle-owl was formally described in 1851 by the German naturalist Johann Jakob Kaup. He placed the owl in his new genus Pseudoptynx and coined the binomial name Pseudoptynx philippensi. The Philippine eagle-owl is now placed in the genus Ketupa that was introduced in 1831 by the French naturalist René Lesson.<p>Two subspecies are recognised:
- 学名
- Ketupa philippensis
- 命名信息
- (Kaup, 1851)
- 目
- Strigiformes
- 科
- Strigidae
- 属
- Ketupa
分布与栖息地
This owl inhabits forest edges near streams. They rest in a tree during the day and hunts hunt at dusk to feed on small vertebrates. The Philippine eagle-owl is the largest owl in the country.
- 迁徙
- Resident species
行为
Little is known about the behavior of this secretive species, but the powerful feet suggest it feeds on small mammals and birds.<p>This eagle-owl lays one egg per clutch and has an incubation period of 35 days.<p>In December 2005, Negros Forests and Ecological Foundation (NFEFI) in Bacolod was the first conservation center in the world to successfully hatch a Philippine eagle-owl (aptly nicknamed Bubo) in captivity and it has the only breeding pair of these owls in captivity anywhere in the world.<p>On November 21, 2005, conservationists at the center made world history when it successfully bred a Philippine eagle-owl in captivity. Notably NFEFI had first secured the first-ever captive breeding loan between DENR-accredited institutions in the Philippines, consisting of three pairs of eagle-owls from the Avilon Montalban Zoological Park in Montalban, Rizal and transported them to Bacolod in December 2002. Two pairs showed attraction, and the couple Hinahon and Suplada—local terms for "calm" and "snob"—made courtship. It was on November 21, 2005, that an owlet was discovered in the nest, about three days old, and named Bubo. As Bubo grew, Suplada taught it how to tear pieces of mouse meat, thus rearing it.<p>In 2006, Suplada also laid one egg and another owlet was hatched through the aid[clarification needed] of the World Owl Trust, Flora and Fauna International-Philippine Biodiversity Conservation program and the Avilon Zoological Park in Montalban Rizal. The Philippine eagle-owl is also protected in areas through the Conservation of Priority Protected Areas Project (CPPAP) in Luzon, Mts Kitanglad and Apo on MIndanao.<p>Hunting of the Philippine eagle-owl is illegal in the Philippines, but lacks proper enforcement because many local people are able to resist strict control attempts.<p>After hatching, Philippine eagle-owl chicks need to be intensely cared for by their parents. These new chicks are unable to thermoregulate by themselves, so they need the body heat from their mother or father to keep them warm. These chicks are also unable to feed themselves due to their lack of ability to fly. The father bird will go out to catch the food while the mother will tear it up into smaller pieces for the chick to eat.
保护状况
- 种群趋势
- declining
照片
分布
其他鸟类
Rose-headed Parakeet
Pyrrhura rhodocephala
Green parakeet with a long red tail, prominent white patch in wings, white eyering, and red ear patch and crown. Mostly seen in large flocks flying, eating fruits, or perching quietly in trees. Common in cloud forests and forest edges. Voice similar to related species. Similar in flight to Red-eared Parakeet but shows white wing patch and red crown, and almost no range overlap. Endemic to the Andes of Venezuela.
Sapphire-rumped Parrotlet
Touit purpuratus
Small parrot of lowland rainforest and savanna regions; more common in areas with sandy soils, but rarely seen well. Usually in small flocks that fly rapidly through or above canopy, settling into trees where they essentially disappear. When perched, best identified by small size and combination of blue rump and red outer tail feathers. In flight, gives drawn-out, complaining call note, very unlike calls of other parrots in range. Feeds on fruit.
Common Sunbird-Asity
Neodrepanis coruscans
Tiny, round, short-tailed bird with a long curved bill. Breeding males are blue on the back and yellow below, with bright bare skin around the eye. Non-breeding males and females are dull olive-green. Madagascar endemic that is found in the canopy of eastern and northern rainforest. Hyperactive nectar feeder that constantly flits from flower to flower. Call is an accelerating series of quiet and very high-pitched notes. Similar to the scarce Yellow-bellied Sunbird-Asity, but has duller olive underparts and a larger, more curved bill. Smaller than Souimanga Sunbird, with a thinner bill and shorter tail.
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