passerines

Genetic data on speciation rates in passerines, published within the last 10 or so years, does NOT support the LPO model.

Archive 2006-03-01 Darren Naish 2006

Cassin's sparrows have a distinctive courtship performance that makes them quite unusual among North American passerines: the male flies straight up into the sky in a display flight, then floats downward on fixed wings, singing.

Mystery bird: Cassin's sparrow, Peucaea cassinii 2011

Cassin's sparrows have a distinctive courtship performance that makes them quite unusual among North American passerines: the male flies straight up into the sky in a display flight, then floats downward on fixed wings, singing.

Mystery bird: Cassin's sparrow, Peucaea cassinii 2011

Wally thought they might have been checking out his date, one of the Bird Girls who studied passerines.

Owls 2010

The results elegantly showed that the bats ate only insects in summer, included some songbirds 'flesh in their diet during spring, and depended a great deal on passerines during autumn.

Archive 2007-02-01 2007

The ability of giant noctules to prey on the wing upon nocturnally migrating passerines appears unique not only among bats but also within the whole animal kingdom.

Archive 2007-02-01 2007

Other than that, all the bird action was on the other side of the dunes where warblers and other passerines were arriving in droves.

Catching Up with Summer 2009

This newly recognized hazard adds to the numerous obstacles that sea and desert crossings already represent for fragile migratory passerines.

Archive 2007-02-01 2007

Other than that, all the bird action was on the other side of the dunes where warblers and other passerines were arriving in droves.

Archive 2009-05-01 2009

A large body mass (up to 50 g for 45 cm wingspan) is probably a prerequisite for subduing prey items as large as passerines, which have approximately the same weight as other European bat species.

Archive 2007-02-01 2007