
himalaya swiftlet

himalayi swiftlet (aerodramous bravirostris) ack chhota saa swift haye. yeh himalaya aur dakshin poorv asia mein ack aam aupaniveshik prajanankarta haye. kuchh aabaadi pravaasi hain.
iss swiftlet koo pahale "kolokaliya" vansh mein rakhaa gayaa thaa. isaki paanch upa-prajaatiyon mein seey dou koo aksar poorna prajaati kaa darja diyaa jaataa haye. bee. rosersey "indochinese swiftlet key roop mein", aerodramous rosersey ", aur prithak jawan" aeye "kaa roop haye. bee. vulcanorum "jwalamukhi swiftlet key roop mein", aerodramous vulcanorum.
varnan.
iss 13-14 semi lambe swiftlet mein peechhe kii or pankh hotey hain joe ack ardhchandra yaa boomerang key samaan hotey hain. shareer patala haye, aur poonchh kantedar haye. yeh kaee mayanon mein ack vishisht tej gati haye, jisamen tej udaan key liye sankeern pankh hotey hain, aur udaan mein keedon koo pakadane key liye ack chaudi patti aur chhoti chonch hoti haye joe barchhe seey ghiri hoti haye. isake pair bahut chhote hotey hain, joe pakshi koo parching seey rokte hain, lekin ise urdhvaadhar satahon seey chipakane dete hain.
yeh mukhya roop seey oopar bhoore-bhoore rung kaa aur neeche peela bhura hotaa haye. isamen ack peela dhusar rung kaa gaanth aur bill key oopar aur peechhe ack peela patch hotaa haye. ling samaan hotey hain, lekin kishore kaa ack cumm alag gaanth hotaa haye.
paanch upa-prajaatiyan hain, joe mukhya roop seey rump tone mein bhinn hain. 
apani adhikansh seema mein, yeh ekmatra tej haye, lekin isake prajanan kshetra key dakshin mein aur isaki sardiyon kii seema mein iss prajaati koo anya "kolokaliya" swiftle seey alag karna bahut mushkil hoe sakata haye.
aavaaj aur ecolocation.
himalayi swiftlet key paas ack tweeter 'roosting coll' haye, aur ack bhedi coll bhee haye.
joe baat kaee, lekin sabhi naheen, swiftle prajaatiyon koo anya swift aur vaastav mein lagbhag sabhi anya pakshiyon (tail pakshi ack apavaad honey key naate) seey alag karati haye, vaha haye gufaaon key andhere seey gujarane key liye ecolocation key ack saral lekin prabhaavi roop kaa upayog karane kii unaki kshamata jahaan way raat mein rahate hain aur prajanan karate hain. vartamaan prajaatiyon key saath, cumm seey cumm "vulcanorum" ecolocate key liye jaanaa jaataa haye.
chamgaadad key vipareet, swiftles ecolocation key liye click karane vaale shore karate hain joe maanav shravan seema key bheetar hotey hain. dou broadband daalen thode seey viram seey alag hoe jaati hain. jaise-jaise prakaash cumm hotaa jaataa haye, viram kii lambai cumm hoe jaati haye. jaba pakshi apane ghonsale key paas aaa rhaa hotaa haye tou click key baad twitting coll aatee haye.
ecolocation kaa upayog poorv genus "aerodramous" koo alag karane key liye kiya gayaa thaa, jisake baare mein socha jaataa thaa kii isamen kewal ecoloting swiftle hotey hain. kolokaliya" seey, lekin yeh khoj kii pigmi swiftlet, "kolokaliya troglodite", bhee ecolocates ney kuchh vargeekaranvidon koo dou vanshon kaa vilay karane kaa kaaran banaa.
vyavhaar.
yeh swiftle ack uchch bhoomi prajaati haye, jisamen nadee ghaatiyon jaise jangalon mein khule kshetron koo khilaane kii prathamikta haye. "aeye. bee. bravirostris "nepal mein 4,500 meater aur kendriya bhootaan mein 2200 meater taka prajanan kartaa haye, aur roop" aeye "haye. bee. rosersey "aur" aeye. bee. inniminata thyland mein 2200 meater taka hotaa haye.
chhote cup key ghonsale kaa nirmaan narr swift dwara motee laar aur kuchh kaaee seey kiya jaataa haye, aur ack gufa mein ack urdhvaadhar chattan kii deewaar seey judaa hotaa haye. iss aupaniveshik teji key ghonsale sparsh curr sakate hain. clutch dou safed andey hain. yeh swiftlet ack-vivaahita haye aur donon saathi ghonsale kii dekhbhal mein bhaag lete hain.
himalayi swiftlet, sabhi swift kii tarah, ack havaai keetbhakshi haye, joe dinn key dauran gufa koo chaara dene key liye chhod detaa haye, aur raat mein apane ghar lautata haye. shaam yaa kharaab mausam mein, kheti kii gaee bhoomi koo khilaane key liye jhund pahaadiyon seey utar sakate hain. yeh mishrit prajaati aamtaur parr lagbhag 50 pakshiyon key jhund banaati haye, lekin 300 taka darj kiye gaye hain. isaki udaan mukhya roop seey bahut lambe praathamik pankhon aur stun kii chhoti maanspeshiyon key kaaran gliding haye.
sthiti.
yeh prajaati aam aur vyaapak haye, lekin jwalamukhi swiftlet, yadi ack alag prajaati maani jaati haye, tou lagbhag khatare mein haye. yeh kewal jaava mein sakriya jwalamukhi parr hotaa haye, jisamen chaar nishchit sthal aur paanch sambhaavit lekin apusht sthal hain. antarrashtriya pakshi jeevan kaa anuman haye kii gyaat ilaakon mein kull 400 seey cumm pakshi hain. choonki yeh gaddhon mein ghonsale banaata haye, aur sabhi gyaat ilaake sakriya jwalamukhi hain, isaliye maanaa jaataa haye kii coloniyon koo aavadhik vilupt honey key liye atisamvedansheel maanaa jaataa haye.

