Waterচৰাইৰ isবৰ্জনীয় neededপদাৰ্থ byবিসৰ্জনৰ manyবিশেষ birdsপ্ৰক্ৰিয়া although(excretion) theirআৰু modeঘৰ্মগ্ৰন্থি of(sweat excretiongland) andনথকাৰ lackবাবে ofশৰীৰত [[sweatপানীৰ gland]]sপ্ৰয়োজন reducesকম৷ theঅৱশ্যে physiologicalঅন্য বহুতো কামত চৰাইক পানীৰ প্ৰয়োজন একেবাৰেই নথকা নহয়৷ demands.<ref>{{Cite book|year=2005|url=http://irs.ub.rug.nl/ppn/287916626|isbn=90-367-2378-7|last=Engel|first=Sophia Barbara|title=Racing the wind: Water economy and energy expenditure in avian endurance flight|publisher=University of Groningen}}</ref> Someমৰুভূমিৰ desertবহুতো birdsচৰায়ে canখাদ্যত obtainথকা theirপানীৰেই waterএই needsপ্ৰয়োজন entirelyপূৰাৱ fromপাৰে৷ moisture in their food. They may also have other adaptations such as allowing their body temperature to rise, saving on moisture loss from evaporative cooling or panting.<ref>{{Cite journal|first=B.I.|last=Tieleman|title=The role of hyperthermia in the water economy of desert birds|journal= Physiol. Biochem. Zool.|volume=72|year=1999|pages=87–100|doi=10.1086/316640|pmid=9882607|month= January|last1=Tieleman|first1=BI|last2=Williams|first2=JB|issue=1|issn=1522-2152}}</ref>তেনেদৰে Seabirdsসাগৰীয় canচৰাই drinkসমূহে seawaterসাগৰৰ andলোণীয়া haveপানী [[saltখায়ে gland]]sজীৱন insideধাৰণ theকৰিব headপাৰে৷ thatইয়াৰ eliminateবাবে excessইহঁতৰ মূৰত লোণ গ্ৰন্থি (salt outgland) ofযি theনাকৰ পৰা অনাৱশ্যকীয় লোণখিনি বৰ্জন কৰিব পাৰে৷ nostrils.<ref>{{Cite journal|title=The Salt-Secreting Gland of Marine Birds|last=Schmidt-Nielsen|first=Knut|journal=Circulation|date=1 May 1960|volume=21|pages=955–967|url=http://circ.ahajournals.org/cgi/content/abstract/21/5/955|issue=5|doi=10.1161/01.CIR.21.5.955}}</ref>
Mostপ্ৰায়ভাগ birdsচৰায়ে scoopঠোঁটত waterপানী inলৈ theirপানীখিনি beaksডিঙিলৈ andবৈ raiseযাব theirপৰাকৈ headমূৰটো toওপৰলৈ letকৰি waterদিয়ে৷ rundownঅৱশ্যে theঅন্য throat.কিছুমান Someচৰাই species,যেনে especiallyশুকান ofঠাইৰ aridপাৰ zones(pigeon), belongingফিন্স to the [[Columbidae|pigeon]], [[Estrildidae|(finch]]), [[Coliidae|মাউছবাৰ্ড (mousebird]]), [[Turnicidae|বাটন-ক্কুৱেইল (button-quail]]) andবাষ্টাৰ্ড [[Otididae|(bustard]]) familiesইত্যাদিয়ে areমূৰটৌ capableবেঁকা ofনকৰাকৈয়ে suckingপানী upশুহি waterল'ব withoutপাৰে৷ the need to tilt back their heads.<ref>{{Cite journal|first=Sara L.|last=Hallager|title=Drinking methods in two species of bustards|journal=Wilson Bull.|volume=106|issue=4|year=1994|pages=763–764|id={{hdl|10088/4338}}}}</ref> Someমৰুভূমি desertঅঞ্চলৰ birdsকিছুমান dependচৰায়ে onনিয়মীয়াকৈ waterসেয়ে sourcesপানীৰ andউৎসত [[sandgrouse]]জুম areপাতি particularlyথাকে well৷ knownচেন্দগ্ৰাউজ for(sandgrouse) theirআৰু dailyপ্লভাৰ congregations(Plover) atৰ waterholes.দৰে Nestingচৰায়ে sandgrouseপেটৰ andপাখি manyসমূহ ploversতিয়াই carryপোৱালিলৈ waterপানী toকঢ়িয়াই their young by wetting their belly feathers.নিয়ে৷<ref>{{Cite journal|title=Water Transport by Sandgrouse|first=Gordon L.|last= MacLean|journal=BioScience|volume=33|issue= 6|date=1 June 1983|pages=365–369|doi=10.2307/1309104|issn=00063568|jstor=1309104}}</ref> Some birds carry water for chicks at the nest in their crop or regurgitate it along with food. The pigeon family, flamingos and penguins have adaptations to produce a nutritive fluid called [[crop milk]] that they provide to their chicks.<ref>{{cite journal|author=Eraud C|coauthors= Dorie A; Jacquet A & Faivre B|year=2008|title= The crop milk: a potential new route for carotenoid-mediated parental effects| journal= Journal of Avian Biology| volume=39| pages= 247–251| doi= 10.1111/j.0908-8857.2008.04053.x|issue=2}}</ref>