10 most difficult ornitology riddlesOrnitology quiz
Which bird has a structure "Donitz’s bridge" in its neck?
The Indian darter or oriental darter is like all other anhingas, a cormorant-like species that has a very long neck. The structure of the neck is as in other species of darter with strongly developed muscles about a kink in the neck at the 8th and 9th vertebrae that allows it to be flexed and darted forward with rapid force to stab fish underwater. The fibrous representative of Donitz's bridge is seen attached to the ninth cervical vertebra.
What is the color of eyes of owls that hunt at night?
it doesn't matter, all owls hunt at night
Owl's eye colour depends on the time of day in which they hunt. The ones that hunt during daylight have yellow eyes. The ones that hunt at night but also at the evenings and mornings have orange eyes. Black eyes are typical to owls that hunt only at night.
Monkey-eating eagle can be found in ...
The Philippine eagle also known as the monkey-eating eagle is endemic to the Philippines and can be found on four major islands: eastern Luzon, Samar, Leyte, and Mindanao. The largest numbers of eagles reside on Mindanao, with between 82 and 233 breeding pairs.
What bird built this nest?
European penduline tit
The nest of the long-tailed tit is constructed from four materials - lichen, feathers, spider egg cocoons and moss, with over 6,000 pieces used for a typical nest.
What was the reason for the extirpation of the nightingale reed warbler?
The nightingale reed warbler (Acrocephalus luscinius), or Guam reed warbler, is an extinct song bird endemic to Guam. The nightingale reed warbler was driven to extinction by several introduced species. These included the brown tree snake which has also decimated the populations of several other bird species on Guam. Other introduced predators included rats, cats and feral ungulates such as goats or sheep.
To which bird the mistletoe is a big treat?
Found in open woods, parks, hedges and cultivated land, the mistle thrush feeds on a wide variety of invertebrates, seeds and berries. Its preferred fruits including those of the mistletoe, holly and yew. Mistletoe is favoured where it is available, and this is reflected in the thrush's English and scientific names.
White stork is a synanthrope. What does it mean?
it lives on plant and meat food
it picks one partner for its whole life
it migrates between two different habitats
it benefits from its association with humans
A synanthrope is a member of a species of wild animals and plants of various kinds that live near, and benefit from, an association with humans and the somewhat artificial habitats that humans create around them.
What is the largest flying parrot?
Hyacinthine macaw, is a parrot native to central and eastern South America. With a length of about 100 cm it is longer than any other species of parrot. It is the largest macaw and the largest flying parrot species, though the flightless kakapo of New Zealand can outweigh it at up to 3.5 kg.
Which of the following is not true about nightjar?
it opens its bill during flight
it builds nest on the ground
it feeds on flying insects, which it seizes in flight
it is a nocturnal bird
Nightjar, is a crepuscular and nocturnal bird that breeds across most of Europe and temperate Asia. It does not build a nest, and its two grey and brown blotched eggs are laid directly on the ground.
Which is the world's slowest bird?
The American woodcock is the only species of woodcock inhabiting North America. During migration, their flight speeds have been clocked at 26 to 45 kilometers per hour. However, the slowest flight speed ever recorded for a bird, 8 kilometers per hour, was also recorded for this species.