Mating advantage of multiple male ornaments in the Barn Swallow
Hirundo rustica gutturalis.
A test of nest cup volume and reproductive success in the barn swallow
Dynamic paternity allocation as a function of male plumage color in Barn Swallows
hirundinis on reproduction in the barn swallow
has not been documented.
The new research "is really a very nice study" that opens a suite of interesting questions, says Bob Montgomerie of Queen's University in Kingston, Ontario, who has studied the color of barn swallows
However, in Barn Swallows
and Eastern Bluebirds, both the gape and flange are yellow, as is the likely ancestral gape color of passerine nestlings (Kilner 2006); in these cases, pale flange tissue would provide better contrast than pigment-rich tissue (Dugas and Rosenthal 2010).
However, in light of this observation, as well as relatively high rates of infanticide in European populations of Barn Swallows
(Moller 2004), it seems probable a portion of these instances could actually be cases of infanticide.
(Hirundo rustica), Eastern Kingbird (Tyrannus tyrannus), Killdeer (Charadrius vociferous), and Lesser Prairie-Chicken (Tympanuchus pallidicinctus) were all observed in low numbers on burned plots, but were not detected on unburned plots (Table 3).
When barn swallow
nestlings open wide and say "Ah," parents may check their health much as human moms and dads peer anxiously down Junior's throat.
Gape coloration reliably reflects immunocompetence of Barn Swallow
(Hirundo rustica) nestlings.
Fitness consequences of variation in natural antibodies and complement in the Barn Swallow
Phylogeny of the genus Hirundo and the Barn Swallow
Other species observed resting on the ship included Louisiana Waterthrush (Parkesia motacilla), American Redstart (Setophaga ruticilla), Tree Swallow (Tachycineta bicolor), and Barn Swallow
Cliff Swallow [Petrochelidon pyrrhonota], Sikes and Arnold 1986; Barn Swallow
[Hirundo rustica], Kopachena et al.
Entanglement of a Barn Swallow
(Hirundo rustica) in burdock is known from Germany (Burton 1994).