. Bob-whiting cover in Franklin County, Pennsylvania. Quails; Birds. n« #Mi»g fiatlc^x^d* likcpv##d rolloa pr&w^A to te a diMonforliiig factor to tho dog« ofii d37 moraingt* Oarlnc a dry period fro® July 8 to Jtily %, it wa» po««11ile tt ohook tha moiraaaato of broods s^rislngly troll. Borlof thla tlsia mmeronM tracks were often seaa along road »houlf!ors and othor r^laeoa i*i©r© tb« minoral soil ims exi^sad* Iha pr^ioineo of dust Imths was oftsn us#d to dttertBlne shether a brood or oorqr had r^antly visltsd aa araa, Faeal dropplngSt uhlla thsy ar© good iadleatora of tha presenc© of qtiai
. Bob-whiting cover in Franklin County, Pennsylvania. Quails; Birds. n« #Mi»g fiatlc^x^d* likcpv##d rolloa pr&w^A to te a diMonforliiig factor to tho dog« ofii d37 moraingt* Oarlnc a dry period fro® July 8 to Jtily %, it wa» po««11ile tt ohook tha moiraaaato of broods s^rislngly troll. Borlof thla tlsia mmeronM tracks were often seaa along road »houlf!ors and othor r^laeoa i*i©r© tb« minoral soil ims exi^sad* Iha pr^ioineo of dust Imths was oftsn us#d to dttertBlne shether a brood or oorqr had r^antly visltsd aa araa, Faeal dropplngSt uhlla thsy ar© good iadleatora of tha presenc© of qtiail dtixtng the fall and wintsr i^atbs^ provsd unsatiafaetoiT- during ths sniwrnar and lat© spring< Toung birds oftsn roosted in scattemd pMltiona In deass cover and banae did not laava aagr largs pilsa of droppings* Stoddard (1936) has sboan that alisoat all of ths familiar ^bab* ahlta" calls that are heard throtiishotit tha lata spring and wmamr m^ Inata from nisaatad or nnaatisfaetorlljr mat d iiialaa« fhis eondltlon wiy be dna to a laok of i^^slcal process on the part of the saala or an iMtiffielant msnbar of famalas to go around* In the «pi*lng of 1941 the first whistling wile wan haard during tbs fourth wasit of April and the last ^bobsAiite'' eall that w&b raoordysd br the InTestigators was on 4ugast 28« Ihistling was heard throti#out the summer but the greatest amount of calling was dona from Maj^ 15 to July 1. SiJ^aarous single malea sere noted after July 1 ^t ^^ siiistllng was restricted to scattered In* diwiduals* On one area, howerert flw males were heard lA^lstllng witliiii. ; I ' tl 4 i m I. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Jenkins, David Hall, 1918-.
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Photo credit: © Library Book Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookcollect, booksubjectbirds, booksubjectquails
