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The name combines the Ancient Greek αγάπη agape meaning "love" and όρνις ornis meaning "bird". [5] The type species is the black-collared lovebird (Agapornis swindernianus), [6] which was originally placed into the genus Psittacus within a section called Psittacula by naturalist Heinrich Kuhl. [4]
The rosy-faced lovebird is a fairly small bird, 17–18 cm (6.7–7.1 in) long, with an average wing length of 106 mm (4.2 in) and tail length of 44–52 mm (1.7–2.0 in). [4] Wild birds are mostly green with a blue rump. The face and throat are pink, darkest on the forehead and above the eye.
The red-headed lovebird is a 15 cm (6 inches) long, mostly green parrot.It has a well demarcated red area on its head extending from the top of the beak, over the forehead to mid-crown, and extending to the left and right up to the eyelid margins.
Endometritis is inflammation of the inner lining of the uterus (endometrium). [6] Symptoms may include fever , lower abdominal pain, and abnormal vaginal bleeding or discharge . [ 1 ] [ 4 ] It is the most common cause of infection after childbirth .
Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs are the bird sounds that are melodious to the human ear. In ornithology and birding , songs (relatively complex vocalizations) are distinguished by function from calls (relatively simple vocalizations).
[25]: 506 More similar to the female mallard in North America are the American black duck (A. rubripes), which is notably darker-hued in both sexes than the mallard, [39] and the mottled duck (A. fulvigula), which is somewhat darker than the female mallard, and with slightly different bare-part colouration and no white edge on the speculum. [39]
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A hybrid lovebird is the result of two species of lovebirds being cross-bred. Hybrids produced by the pairing of a rosy-faced lovebird (or peach-faced lovebird) with one of the "eye-ring" species (i.e. those species which have a prominent area of white bare skin encircling the eye, Fischer's lovebird being a typical example) are usually sterile, whereas crosses between the "eye-ring" species ...