Blue-Grey Gnatcatcher

Mafi yawan gnatcatcher a Arewacin Amirka, gnatcatcher mai launin shudi mai launin tsuntsu ne mai sau da yawa wanda ba a kula dashi saboda yana zama a cikin bishiyoyi, amma tsuntsaye wadanda suke jin dadi da kunnuwa zasu iya jin waɗannan waƙoƙin tsuntsaye da kuma yin amfani da waɗannan alamu don ganin tsuntsaye.

Sunan Common : Blue-Grey Gnatcatcher, Little Mockingbird

Sunan kimiyya : Polioptila caerulea

Gidan Kimiyya : Polioptilidae (wanda shine Sylviidae )

Bayyanar:

• Bill : Manya, baki ko launin toka-fata, in mun gwada da tsawo don girman tsuntsu
• Girman : 4.25-4.5 inci tsawo tare da 6-6.5-inch fuka-fuki, mai tsayi, tsayi, kafaɗɗun wuyansa
• Launuka : Fari, baƙar fata, blue-m, launin toka
• Alamomi : Dabbobin dimorphic . Maza suna da launin launin shuɗi mai launin launin launin launin fata kuma shugaban yana nuna sautin ido mai haske da gashin baki wanda ya hadu a saman lissafin. Fuka-fuki suna da duhu, kuma ƙarƙashin raƙuman suna fatar launin fata. Wutsiyar fata ba ta da fuka-fukin fata. Ma'aurata suna kama amma suna da girar baki kuma suna da yawa fiye da maza, tare da launi wanda ya fi launin toka fiye da blue.
  
  Yara mata suna kama da 'ya'ya mata.
  
  Dabbobi suna polytypic.

Abinci : Ciwon ciki, larvae, gizo-gizo, caterpillars ( Duba: Insectivorous )

Haɗuwa da ƙaura:

Wadannan gnatcatchers sun fi son sabbin wuraren da aka yi da katako a cikin gabas da kewayensu zuwa gandun daji da kuma gandun dajin juniper a yamma.

Oak Forests da shrubby yankunan ma dace da blue-m gnatcatchers.

Wadannan tsuntsaye sune mazauna yankin a kudancin California da kuma bakin teku na Baja, har ma a cikin dukancin Mexico har zuwa kudu maso gabashin Yucatan. Har ila yau, har yanzu suna zagaye na Gulf Coast da Florida, har zuwa arewacin Atlantic Coast har zuwa North Carolina.

Blue-gray gnatcatchers kuma ana samun shekara a cikin Bahamas.

A lokacin rani, waɗannan ƙananan tsuntsaye suna fadada iyakar kiwo a arewa kuma ana samun su a ko'ina California, Nevada da Utah a yamma, kuma a gabas suna gani a gabas da tsakiyar Texas har ma a Oklahoma, gabashin Kansas, Iowa, kudancin Wisconsin da kuma ko'ina cikin gabashin {asar Amirka. Duk da yawan rarrabawar su, duk da haka, ba su halarta ba ne daga yankin Great Plains ba inda babu katako mai dacewa.

A cikin hunturu, wadannan tsuntsaye sukan yi tafiya kadan a kudu kuma za a iya samun su a yammacin Mexico da kuma zuwa Amurka ta Tsakiya har zuwa kudu maso yammacin Honduras. Ana kuma ganin su a Cuba da sauran sassa na Caribbean.

Gudanarwa:

Wadannan tsuntsaye ne masu saurin sau da yawa sun ji fiye da gani, kuma bayanin su na "speee" suna tare tare da kalmomi 3-4 da ke nuna waƙa, kodayake kalmomi daban zasu iya bambanta a filin. Kira yana da inganci na hanci, kuma wasu magungunan magungunan ma suna cikin ɓangaren waɗannan kalmomin tsuntsaye. Lokacin da maza suna fada, ana iya sauraron caji.

Zama:

Waɗannan su ne masu aiki, tsuntsaye masu karfi waɗanda yawancin suna da shi kadai ko aka samu a nau'i-nau'i. Za su iya zama acrobatic yayin da suke motsawa a cikin bishiyoyi na bishiyoyi masu tsirrai da hawking don kwari, kuma sau da yawa sukan sauƙaƙe wutsiyoyi su bude kuma rufe ko daga gefe zuwa gefe.

Duk da yake an kwantar da ƙwayoyin kananan kwatsam, blue-gray gnatcatchers na iya kalubalanci ƙwayoyin da suka fi girma a kan reshe da kuma fuka fuka-fuki kafin su ci su. Maza za su iya zama masu tsattsauran ra'ayi kuma za su bi tsuntsaye mai yawa daga yankunan abinci masu kyau ko yankunan nesting.

Sake bugun:

Wadannan tsuntsaye ne guda daya kuma maza da mata zasuyi aiki tare don gina gine-gizon mai cin gashi daga mita 3 zuwa 25 a cikin itace, ko da yake wasu wurare zasu iya samuwa mafi girma. An gina gida daga nau'i mai laushi, kayan aiki mai kyau, ciki har da gashin tsuntsaye, gashi, lichen da tsire-tsire, kuma an ɗaure shi tare da siliki gizo-gizo. Blue-gray gnatcatchers na iya fara gina hanyoyi masu yawa kafin farawa don sa qwai, kuma ana iya sake yin amfani da kayan nest tsakanin nests.

Kwayoyin da suke da yalwa mai launin fata ne ko dai kyawawan launin shudi ne ko launin fari-masu launin fata kuma suna da tsalle-tsalle da launin fata.

Akwai qwai qwai a qwai a kowace qwai, kuma ana tasowa ne kawai a kowace shekara, kodayake za'a iya tasowa na biyu a cikin kudancin mutanen da suka wuce yanayi. Duk iyaye biyu suna raba ayyuka na kwana goma sha 11-13, kuma bayan ƙananan ƙwararru, iyaye biyu suna ci gaba da kula da kajin don ƙarin kwanakin 10-12 har sai suna shirye su bar gida.

Wadannan tsuntsaye suna da saukin kamuwa da cutar daga launin dabba mai launin launin ruwan kasa kuma matasan kananan yara ba za su iya yin gasa ba idan babba mai tsoka mai launin launin launin ruwan kasa wanda ya dauka kan gida.

Gudanar da Blue-Gray Gnatcatchers:

Wadannan tsuntsaye ba su kasance a cikin gida ba kuma basu sabawa tsuntsaye tsuntsaye ba, amma samar da shimfidar wuri mai kyau tsuntsaye na iya taimakawa wajen janyo hankalin su, musamman idan an kawar da kwari don kiyaye adadin abinci mai cin gashin gnatcatchers.

Ajiyewa:

Ba'a la'akari da launin gilashin launin fata-launin gyatcatchers a matsayin barazana ko haɗari, kuma a gaskiya haɗarsu tana fadadawa yayin da sauyin yanayi ya wargaza yankunan arewacin yankunansu kuma ya sa yankunan da ke dacewa da kiwon dabbobi. Wadannan tsuntsaye za su iya watsi da nests idan sunyi damuwa, duk da haka, yana da muhimmanci a kare yankunan nesting daga tsangwama.

Irin tsuntsaye kamar:

• Black-Tailed Gnatcatcher (Poliotila Melanura)
• California Gnatcatcher ( Polioptila California )
• Black-Capped Gnatcatcher ( Poliotila nigriceps )
• White-Lored Gnatcatcher ( Poliotila albiloris )
• Bushtit ( Psaltriparus minimus )
• Plumbeous Vireo ( Sakamakon zane )

Hotuna - Blue-Gray Gnatcatcher - Mista © Ed Schneider
Hotuna - Blue-Grey Gnatcatcher - Male © Kayan Faya