Grey warbler

Maorigerygone ( Geygone igata )

The Maorigerygone ( Gerygone igata, New Zealand Grey Gerygone, Grey Warbler or Riroriro ) is a New Zealand songbird of the genus Gerygone within the family of South Pacific warblers.

Features

The birds weigh about 6.5 grams and are 11 cm long. The top of the plumage is gray-brown to olive green in the male with a tendency. Face, throat and chest are dull gray. The abdomen is dirty white with a yellow tinge. The tail is white below and dark brown above. When flying the white tips of the feathers are visible. The eye is ruby red.

The plumage of the female is similar, but it remains small. The Jüngvögel are bright yellow and without impact, her eye is brown.

The song of the male often begins with a series of three Quitschern and then proceeds in a characteristic langegezugenes trills, which rises and falls. However, you sing throughout the year, most in the breeding season in the spring. They are usually more likely to hear than to see.

Occurrence

The species lives on New Zealand's two main islands and many offshore islands. However, it lacks in open areas and in the alpine zone. The species lives in forests of the temperate climate zone, where coverage by trees or bushes available anywhere.

Behavior

The insect eaters feed mainly on spiders, insects and their larvae. They are very active and constantly jumping from branch to branch.

Reproduction

The nature of the only building in New Zealand, a pear-shaped nest with a side entrance near the top. Although the male collects material, the nest can be built by the female alone of grass, leaves, roots and moss, which are held together with cobwebs. The nest may be located between 50 cm and 7.5 m above the ground and is lined with feathers and other soft material. It is attached at the top of a branch, but is often additionally fastened at the rear or sides. The male is not also involved in the breeding business, but lined with the boys. The 3-7 eggs are laid at intervals of 2 days are pinkish white with small red-brown spots. They weigh 1.5 grams and are about 17 mm long and 12 mm wide. The incubation period is 19 days, the hatchlings spend another 15 to 19 days in the nest.

In the breeding season from August to January, they usually have two litters, the second is destroyed but often from the Bronze Cuckoo ( Chrysococcyx lucidus ), which removes the eggs and egg lays into his own nest.