Mreẓ zumba neɣ Tamserẓut (Assaɣ ussnan: Sitta) d tawsit n yigṭaṭ ičawčawen yeṭṭafaren tawacult n temeserẓatin igebren seg 28 n telmas s unect weswir agraɣlan n yigṭaṭ. Igṭaṭ-a d wid ilan (yesɛan) aqerru meqqren, aqamum d yiqejjaren ijehden d wedfar meẓẓiyen. Akken i tella tesfift tassufant d taberkan ɣef wallen n tuget n telmas n tewsit-a. Yakk d wafriw afellay ini-ines gar n uzegzaw d uzunɣid. Tuget n telmas n mreẓ zumba ttidirent deg taganin n yideggan imnummsanen d yidurar deg wezgen agafan n tegnit. Maca llant snat n telmas sbanen-tt-d tannumi-nsent i tmeddurt deg yiẓra d yideggan iẓeɣlen yekkawen deg Urasya. D acu kan d ayen imrayen (iweɛṛen) ad yili usukez (aferreq) gar n telmas yemgaraden n tewsit-a, yerna tilmas-a yakk bennunt-d igedfen deg wuruzen n yisekla d ifexsiwen-is. Amur ameqran n telmas-a ttɣamayent deg yideggan i d-ufan i wakken ad idirent deg-sen ɣef teɣzi n useggas. Timserẓutin tettent igumma n yimɣan am ugusim anda i nekkunt icelman-is, akken i tettent ibureɣsen i ttafent s ddaw n tginit n isekla. Aylanen n tfekka Mreẓ zumba d agṭiṭ meẓẓiyen. Talɣa-ines d takerdist, tafekka-ines d tačurant, aqamum-is ɣezzif yerna d anamsad, ma d adfar-is gezzil, d yikacbaren igedren. Ini n uzagur n mreẓ zumba d azegzaw yakk d uzunɣid maca kra n telmas deg Asya lant azagur d azegzaw yakk d udemdam ma d aqamum-nsent iga d azeggaɣ d uwraɣ. Ma d amur adday iga d amellal immerwin s umakẓay neɣ am yini n ubrac yakk d učinay. Azuk n mreẓ zumba yettawaṭ ɣer 195 mm. Timserẓutin yakk d timeẓyanin. Maca mgaradent deg webluɣ s unect (ɛla ḥsab) n telmas d trakalt (ideggan n tudert). Amedya, tilmas yettidiren deg tẓegwa tizumbiyin ttmilen-tt ad ilint meẓẓiy-it, yerna amili ayi yettwaskad ula deg teɣreft anda i ttidirent kra kan n temeserẓutin deg tjumma meqqren. Amedya deg waddad d tegnit n wadu-telmest n tserẓut tazegzawt (S. europaea), s unemgal n tserẓut tacafcalt (S. magna) igan d talmest tameqrant yakk deg tewsit-a anda i tettazen gar n 36 alamma d 47 g ma d addud-is 19,5 cm. Tareygama d tikeli Taɣuct Timserẓutin d timesɣuyyutin, Akken i ssexdament ishirriyen (aṣeffer) yemgaraden (aslewlew d usuɣu n tɣuri). Taẓuni d tmezduɣt Taẓuni Timserẓutin d tidak yettidiren deg umur meqqren n wezgen agafan n tegnit, deg Tamrikt n Ugafa, Agafa n Temrikt talemmast, tuget n yideggan n Uruppa, ɣef teɣzi n Asya alamma d uzlem n Wallace yakk d kra n yideggan n tmurt n Yiqbayliyen. Maca tuggta tameqrant yakk d tin yettilin deg tamiwin timsedrarin n Asya talemmast d Asya n unẓul anda i ttidirent wazal n snat tmerwin (20) n telmas. Akken i llant semmus (5) n telmas deg Uruppa, 4 deg Temrikt n ugafa, ma deg Tferka llant snat n telmas (Taserẓut tuwrasit (S. europaea hispaniensis deg yidurar n Arif, yakk d uṭeggal azegzaw deg tmurt n Yiqbayliyen), maca snat n telmas-a d timidrusin s waṭas. Yakk d yiwet n telmest deg Tamrikt n Unẓul. Tuget n telmas gant d timarkadin ɣef teɣzi n useggas, ma d talmest tamyiwent yettinigen d Mreẓ zumba azeggaɣ yidmaren (Sitta canadensis) yettinigen deg tegrest seg Kanada ar uneẓruf. Tanezduɣt Tuget n telmas n tserẓut ttidirent deg tẓegwa timsedrarin timnummsanin. Maca llant snat n telmas «Taserẓut n Neumayer (S. neumayer) yakk d tserẓut weẓru (S. tephronota), msezgant i tmeddurt ɣef yiẓra deg yideggan iɣuraren n Urasya : dɣa deg tegrest ttɣamayent deg taganin d yimudaɣ ma deg tsemhuyt n usegdef bennunt igedfen-nsent deg yikedran n yiẓra neɣ deg iseffuyla, Tasensartut d tennagrawt Asesmel Tamserẓut d tin yeṭṭfen adeg deg twacult n Sittidae i d-ikkan seg wawal agrik σίττη.Tawsit-a tella zik nni deg usesmel n Carl Von Linné aseggas n 1758. ma d kra n tussniwin n usesmel, ssesmlent tawsit n mreẓ zumba d yigṭaṭ yettejgugulen ɣef yiɣraben deg twacult n Troglodytidae' deg tegrawt meqqren yakked usibbus. Yerna d ayen imrayen (iweɛṛen) s waṭas usikez (uɛqal) n imgaraden yellan gar n telmas. acku ideggan d tudert d yini d umyaraw n telmas d win yaggugen s yigimen (d win ibeɛden s luluf) n ikilumitren gar yal talmest d tayedṭ, maca ttemcabin deg temseknit d usemyef n yideggan n tmeddurt d usčewčew. Dɣa talmest n sitta ledanti d mreẓ zumba ameẓyan llan ttussesmlen d yiwet n telmest acku ssufuɣen-d yiwet n tɣect yerna ttemcabin deg tfekka. Taserẓut deg yidles Tiwlafin == Ẓeṛ daɣen ==