Sturnella magna magna
Status: Common regular spring and fall migrant east and central, uncommon west. Common regular breeder southeast, locally common western Sandhills, uncommon elsewhere. Rare casual winter visitor southeast.
Documentation: Specimen: UNSM ZM6952, 2 Mar 1901 Lincoln, Lancaster Co.
Taxonomy: There are 17 recognized subspecies, 13 of which occur south of the US (Pyle 1997). The remaining four are: lilianae, breeding and wintering from central and southeast Arizona to southwest Texas, hoopesi, resident in south Texas, argutula, breeding and wintering from southeast Kansas to southeast Texas east to North Carolina and Florida, and magna, breeding from Minnesota to New Brunswick south to north Texas and Virginia, wintering to south Texas and Florida.
It has been proposed to split lilianae as a full species, Lilian’s Meadowlark (AOU 2016).
Hybridization with Western Meadowlark occurs but is extremely rare; Rohwer (1972) found few phenotypically intermediate specimens, although the highest levels came from the Platte River drainage in Nebraska when compared with river systems farther south (Rohwer 1972, Jaster et al 2012). A specimen, UNSM ZM 13013, collected in Dundy Co 14 Jun 1971 is very pale; it was first identified as a Western Meadowlark but later this was changed to Eastern magna. We are not aware of genetic studies that have included Eastern Meadowlarks breeding the Nebraska Sandhills or the few, like this specimen, breeding in drier areas in the Nebraska southwest. Behavioral and ecological isolating mechanisms limit mixed pairings; interestingly, song convergence in areas of sympatry does not occur (Lanyon 1957, Ordal 1976, Jaster et al 2012).
Nebraska birds belong to the northern subspecies magna (AOU 1957; Rapp et al 1958), although the southeastern subspecies argutula breeds as close as southeast Kansas (AOU 1957, Johnston 1965).
Spring: Feb 13,13,16 <<<>>> summer (south, east), Mar 2,5,10 <<<>>> summer (north, west)
Arrival occurs as early as mid-Feb in the south and east, probably involving birds which wintered in or near the state. Seven were vocalizing 13 Feb 1999 at Standing Bear Lake, Douglas Co, one was singing in Otoe Co 13 Feb, 11 were vocalizing in Kearney Co 16 Feb 1996, and four were singing at Branched Oak Lake, Lancaster Co 16 Feb. Most arrive in early Mar.
Arrival in the north and west is about a month later, around mid-Mar, although there are some earlier dates (see Winter). First arrivals near North Platte, Lincoln Co were eight on 21 Mar 2012, 24 Mar 2011, and 29 Mar 2008. These dates, as well as one at Haigler, Dundy Co 29 Mar 2009 and eBird data (eBird.org, accessed October 2017) suggest that migration of westerly Nebraska and southwesterly South Dakota breeders is an extension of movement into the state from the southeast; there is no evidence that Sandhills breeders are migrants from the southwestern US.
- High counts: 40 in central Nebraska 1 Apr 1996, and 30 in Douglas Co 8 Apr 2017.
Summer: Eastern Meadowlark abundance and distribution in the Sandhills, and indeed in Nebraska itself, is somewhat confused and unclear because this species occurs locally in areas well away from its core range in the southeast and also because it is usually greatly outnumbered by Western Meadowlarks. Although a specimen was collected near present-day Columbus in 1856-57 (Coues 1874), Bruner et al (1904) stated it was “rare, breeding doubtful” in Nebraska, “possibly nesting in the Lincoln and Omaha areas”. These authors appear to have overlooked the species, however, as it was considered a “common resident”, presumably in the southeast, by Taylor (1888). Whether Eastern Meadowlark was present in the western Sandhills at that time is unknown, although by 1934 it was a “summer resident” nesting in Logan Co (Glandon and Glandon 1934), and by 1950 there were at least isolated breeding locations statewide (Lanyon 1957). It was considered a “common breeder” throughout although “uncommon to the west” by Rapp et al (1958).
Breeding birds are most numerous south of the Platte River in the southeast (Mollhoff 2016), where they occupy pastures, prairie remnants and other grasslands. Eastern Meadowlarks also breed throughout the western Sandhills, where they are “fairly common” in wet meadows and other low-lying grasslands, often in association with Bobolinks (Rosche 1982). In 1996 a count of 173 was made at Crescent Lake NWR, Garden Co. At the western edges of the range, more Eastern Meadowlarks are present in wetter years (Rosche 1994). Wetter conditions in 2008 in Custer and Lincoln Cos apparently resulted in an increase of this species; Western Meadowlarks are usually the only species present in the area. A BBS survey in Garden Co 20 Jun found a ratio of 10:1 Western to Eastern Meadowlarks.
It is rare in the Panhandle away from the Sandhills (Rosche 1982); in the Panhandle it is restricted to low-lying pastures and meadows associated with river and stream valleys (Lanyon 1956, Rohwer 1972). In the northern Panhandle there are 12 reports from Sioux, Dawes, and northern Box Butte Cos. It was considered “occasional” in summer in Dawes Co (Rosche 1982). Perhaps the westernmost regular breeding site in the Panhandle is Snake Creek Meadows near Kilpatrick Lake, Box Butte Co (Rosche 1994). There are only five reports for the species from Wyoming (Faulkner 2010).
Elsewhere in the state it is local as a breeding bird. It is a “rare spring migrant or breeder” in the Rainwater Basin (Jorgensen 2012). It is common in the Platte River Valley at least as far west as Mormon Island Crane Meadows in Hall Co where it was listed as abundant in the summers of 1980-81 (Lingle and Hay 1982). However, the 2003 Hall Co Spring Count had 11 Eastern and 536 Western Meadowlarks, and Lingle (1994) stated that “Over 99% of the meadowlarks in this area [Buffalo, Phelps, Kearney, Hall, Adams, Hamilton, and Clay Cos] are Western Meadowlarks”. Eastern Meadowlark occurs further west in relatively small numbers to Lincoln and Keith Cos (Rosche and Johnsgard 1984, Rosche 1994, Brown and Brown 2001). A regular location is the meadows near the North Platte Airport in Lincoln Co, where 30 were present 21 Apr 2005. Mollhoff (2016) showed the westernmost confirmed breeding record as along the North Platte River in extreme eastern Morrill Co in 1984-89. There is a report at Bridgeport, Morrill Co 13 Jun 2003.
It was not recorded in 1982 by Brogie and Mossman (1983) in the Niobrara Valley Preserve, although it is a fairly common summer resident in a small area of Sandhill “valley meadows” that extend into south-central South Dakota from Nebraska (Tallman et al 2002).
South of the Platte River Valley and west of Kearney and Franklin Cos there are only 13 reports; notable were two birds in Hitchcock Co in Conservation Reserve Program brome during a wet year 2 Jul 2014.
BBS trend analysis shows the species has declined – 3.13% (95% C.I; -4.56, -1.76) annually across the state from 1966-2015 (Sauer et al 2017).
- Breeding phenology:
Eggs: 5 May-3 Jul
Fledglings: 27 Jul
Fall: summer <<<>>> Oct 28, Nov 1,5
Departure is difficult to detect after singing has ceased; birds are hard to identify except by calls. The few fall dates available away from the east suggest fall migration takes place mainly in Sep; data on eBird (eBird.org, accessed October 2017) show that the western Sandhills are essentially vacated during Sep. Confirmed later dates, most from the southeast, are 10 Nov 1986 Pierce Co, a specimen (UNSM ZM11032) 13 Nov 1909 Lincoln, Lancaster Co, 13 Nov 2015 singing in northern Lancaster Co, 14 Nov 2016 song and call Little Salt Fork Marsh, Lancaster Co, and a specimen (UNSM ZM6957) 18 Nov 1931 Lincoln, Lancaster Co. In the north and west, last dates are in Oct: 5 Oct 2008 Valentine NWR, Cherry Co, 9 Oct 2013 near Valentine, Cherry Co, and 17 Oct 2014 at Crawford, Dawes Co.
Winter: Although documentation of wintering is lacking, and there are no Nebraska specimens later than 18 Nov, information from Missouri (Robbins 2018) and Kansas (Thompson et al 2011) suggests that wintering is possible and may occur in extreme southeast Nebraska. There are reports suggestive of wintering north to the vicinity of the Platte River and west at least to Hall, Adams and Franklin Cos, although none are documented. Eastern Meadowlark was listed as common in winter in Hall Co by Lingle and Hay (1982), but Lingle (1994) stated that “All wintering birds are presumed to be Western based on call notes”. One was calling in extreme southern Nuckolls Co 25 Dec 1994.
BBS: Breeding Bird Survey
NWR: National Wildlife Refuge
UNSM: University of Nebraska State Museum
Photograph (top) of an Eastern Meadowlark at Chalco Hills Recreation Area, Sarpy Co 24 Apr 2005 by Phil Swanson.
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