are visually oriented crepuscular or nocturnal insectivores (Woods and Brigham 2008), so eggs are likely left unattended at dusk and dawn so adults can forage.
ringed in Gwent killed by a car in France - 320 miles.
In 1998, we sampled at these stations for breeding or migrating owls and nightjars
during 89 unlimited-distance point counts (Blondel et al.
Key words: polyomavirus, polymerase chain reaction, sequence analyses, avian, nightjars
, Caprimulgus europaeus
are on the red list of threatened species in the UK and the secretive birds have undergone a serious decline in numbers in the last century.
Birdwatchers also confirmed that two pairs of rare nightjars
have been nesting near Fewston and Swinsty reservoirs.
During their mating season male nightjars
make a distinctive low 'churring' noise.
At one bird reserve in Norfolk, the population of nightjars
was wiped out due to Lingham's collecting.
With a population of approximately 12 males in just 1,250 acres of wood, Slaley is believed to have the highest density of nightjars
in northern Britain.
RSPB Sandwell Wildlife Explorers Group will be mimicking nightingales, woodcocks and nightjars
THE mysterious calls of newly-arrived nightjars
can be heard drifting across woodland clearings at dusk.
Many species of nightjars
(Caprimulgidae) have semi-precocial nestlings hatched from eggs laid on bare ground (Holyoak 2001) without creating any nest structure.