.רתכה תטק (275






Crowned Sandgrouse
Crowned Sandgrouse
Crowned Sandgrouse




Pterocles coronatus
Pterocles coronatus
Pterocles coronatus


לארשי

.םירצקו םימוח םיווקב תספסופמ הבקנה .ןיעל ורטנס ןיב רוחש וקו רוחש ורטנס ,דרדרו םוח עבצ רכזל ,בנז תרצק הנטק הטק :רתכ תטק
.םיחולמ םימ םג ,רקובה תועשב תותשל תגהונ ,ריהמ םימל הפועמ .תושבי סל תומדאו תודמח ,םיעלוסמ םירה תועלצ ,תוירבדמ הלודיג תיב
.ופוסב בגנה רהבו ץיקה תליחתב הברעב תננקמ .הברעבו בגנב תונטק תוקהלב ידמל החיכשו הביצי ץראב
א"ע ,גס ןילוח ... אירש אתאוקק יריסא יאקוקו יאוק ייבא רמא ...
Subspecies and Distribution.
P. c. coronatus Sahara Desert, from S Morocco TO Sudan and Red Sea.
P. c. vastitas Sinai and neighbouring areas in Israel and Jordan.
P. c. saturatus Oman.
P. c. atratus S Arabia through Iran to S Afghanistan.
P. c. ladas Pakistan.

Descriptive notes.

Short, but pointed central rectrices. 25-30 cm, 250-300 g, wingspan 50-60 cm. Lacks bands or patches on undersides. In flight, dark remiges contrast with paler wing lining.
Male has striking head pattern, with rufous or vinaceous crown patch and black mask. Orbital ring and bill bluish.
Female has face and throat pale yellow. Plumage densely barred or spotted. Juvenile similar to acult female, with whitish throat.
Races show different tones of background color and variable degree of barring in female.

Habitat.

Desert and semi-desert, including the sandy substrates, also occurs in mountainous areas.

Food and Feeding

Diet based on seeds, often small and hard ones, also takes shoots.
Drinks in morning, between 7-9 o'clock insummer and between 9-10 o'clock in winter, sometimes also dring in evening.

Breeding.

Nests Apr-May. Nest is scrape among pebbles or depression in sand, sometimes with ring of small stones around it. 2-3 eggs, incubation unknown, but male incubate at night, taking over an hour before sunset.
Downy chick markedly uniform rufous buff, with darker facial patch.

Movements.

Sedentary and nomadic. In NE Morocco only occurs Oct-Mar, in Chad moves N Apr-Jun. In Pakestan numbers increase in winter.

Status and Conservation

Not globally threatened. Widespred and fairly common as a rule.

Israel.

In Israel subspecies P. c. vastitas. Quite common local resident in Negv and Arava Valley.

P. c. vastitas
(in Israel)




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