
safed pankh vaalaa terron

safed-pankhon vaalaa terron, yaa safed-pankhon vaalaa kaalaa terron (clydonius leucopterus yaa clydonius leukoptera), lariday parivaar mein terron kii ack prajaati haye. yeh ack chhoti prajaati haye joe aam taur parr europe, africa, asia aur australia sahit duniya key adhikansh hisson mein taaje paani key nikaayon mein yaa usake paas paaee jaati haye. genus kaa naam pracheen yunani "khelidonios", "nigalane jaisa", "khelidon", "nigalane jaisa" seey haye.
adhikansh angreji bhashi deshon mein 'safed-pankhon vaalaa terron' naam maanak haye; united kingdam mein, yeh naam aupchaarik pakshi vigyaan recording adhikaariyon dwara bhee upayog kiya jaataa haye, lekin purana vikalp 'safed-pankhon vaalaa kaalaa terron' abhee bhee lokpriya upayog mein haye.
varnan.
garmiyon mein vayask pakshiyon key chhote laal pair aur ack chhota kaalaa bill (chhote aur jiddi, pankhon seey 22-25 mimi maapane vaalaa, nishchit roop seey sir seey chhota), ack kaalaa gardan (aksar ack halke bhoore rung kii peeth key saath) aur pett, bahut gahare bhoore rung kii peeth, ack safed gaanth aur halke bhoore (lagbhag safed) poonchh key saath, joe aksar kishoron mein 'vargakar' dikhta haye. chehra peela parh gayaa haye. jaise kii naam seey pataa chalata haye, pankh mukhya roop seey safed hotey hain. bheetari pankh bhoore rung key hotey hain aur isake aavaran bhoore rung key hotey hain. gair-prajanan vaale pankhon mein, adhikansh kaale rung koo safed yaa halke bhoore rung seey badal diyaa jaataa haye, halanki kuchh kaale pankhon koo safed underparts key saath mishrit kiya jaa sakata haye. underving-cover mein kaale show kaa ack achchha sauda. sir kaalaa hotaa haye, jiska maathaa safed hotaa haye. mukut kaalaa-bhura hotaa haye, safed rung key saath fleaked hotaa haye, aur peechhe kaa mukut ack nishchit matra mein safed fleaking key saath kaalaa hotaa haye. yeye safed nishan sardiyon mein vayaskon mein spasht hotey hain. aankh key aage ack gahara trikoniya patch haye. collar kaafee chauda aur safed hotaa haye. kishoron aur moulting vayaskon mein, gaanth feaky bhoore rung kii hoti haye, joe varsh key anta mein donon charanon mein dhusar hoe jaati haye. saaf safed collar aur rump mental koo gahare bhoore rung key 'kaathi' key roop mein alag karate hain. aavaran pankhon mein sankeern peele bhoore rung key sire hotey hain, jaise kii tertial aur scapular hotey hain.
black turn key saath sankaran.
iss prajaati aur black turn key beach sankaran sweeden aur neetherland seey darj kiya gayaa haye. sitambar 1978 aur sitambar 1981 mein ingland kii chyu valley jheel mein dou kishore pakshiyon koo bhee sankar maanaa jaataa thaa; unhone dou prajaatiyon key mishrit paatr dikhaae, vishesh roop seey ack gahare aavaran (safed pankhon vaale kaale rung kii ack visheshta) kaa sanyojan stun-paksh parr kaale dhabbon key saath (kaale terron kii ack visheshta, safed pankhon vaale kaale dwara naheen dikhaai gaee).
vitaran aur nivaas sthaan.
unakaa prajanan nivaas sthaan dakshin poorv europe seey laker madhya asia aur russie sudur poorv taka meethe paani key daldal hain. way aamtaur parr yaa tou daldal mein tairati vanaspati parr yaa paani key bahut karib jameen parr ghonsale banaate hain, chhote nakkashi key tanon aur anya vanaspatiyon seey baney ghonsale mein 2-4 andey dete hain. sardiyon mein, way africa, dakshini asia aur australia mein pravaas karate hain. yeh uttari america mein ack durlabh awara haye, mukhya roop seey atlantic tata parr, lekin prashant tata parr aur mahaan jheelon key kshetra mein antardeshiya kuchh record hain.
vyavhaar.
anya "daldali" terron ("clidonias") kii tarah, aur "safed" ("sterna") terron key vipareet, yeye pakshi machhali key liye gotaa naheen lagaate hain, lekin paani key oopar seey satah-chubhane vaali vastuon taka dheere-dheere udate hain aur udaan mein keede pakadate hain. way mukhya roop seey keede aur chhoti machhaliyan khaate hain. udaan mein, pankhon kii chotein uthali aur aaraam seey hoti hain.
safed pankhon vaalaa terron una prajaatiyon mein seey ack haye jiss parr "african-eurasian pravaasi jall pakshiyon key sanrakshan parr samjhauta" (aeye. ee. vee. aeye.) lagu hotaa haye.