French: Martinet à nuque blanche German: Weißnackensegler Spanish: Vencejo nuquiblanco mexicano
San Joaquín, near Mexico City
Highlands of W & SC Mexico from Chihuahua and Sinaloa S to Nayarit, and in Hidalgo, México, Morelos and Guerrero.
22 cm. Very large swift with heavy body, long broad wings and large square tail, appearing more rounded when fully spread; black-brown with distinct white nape patch.... read more
Similar to S. zonaris, but has less strident calls and overall slightly lower-pitched and... read more
Essentially montane, mainly in arid inland regions where recorded to 3600 m. In Mexico at 1500... read more
Food and feeding
Upper portion of digestive tract of 1 specimen contained 1072 individual insects: 683 Hymenoptera, 391 Homoptera, 20 Hemiptera, 6 Diptera... read more
Eggs present in nests studied in late May. Nests colonially in caves mostly on solid, more or less horizontal, substrates; colonies up to... read more
Previously regarded as strictly resident. In Mexico, some withdraw from high cold altitudes in... read more
Status and conservation
Not globally threatened. Fairly common to locally common. Apparent break in range between the two main distributional blocks may reflect lack of suitable nesting and/or... read more
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