Denmark’s drought is a boon for some insectivores, but others are struggling

Sunny, dry weather is wind in the wings of birds like the swift and swallow, common in Denmark.

Denmark’s drought is a boon for some insectivores, but others are struggling
Barn swallows in Helsingør. File photo: Steffen Ortmann/Ritzau Scanpix

But smaller birds such as tits, which feed off larvae, struggle in the dry conditions, the Danish Ornithological Society (DOF) writes.

Waders, birds that that wade in order to forage for food along shorelines and mudflats, are also likely to see lean times as a result of the current weather, which can dry out their habitats, the society writes on its website.

Furthermore, low water levels in marshy areas highly populated by birds makes chicks more vulnerable to attacks by predators.

“Most small birds have already suffered their first challenges. That happened back at the end of May, when the drought was not yet a serious problem. But now, after no significant rain for more than two months, there could be a real problem finding enough food for larva-eating birds like for great tits, blue tits and other types of songbird, because the larvae dry out on the drought and the heat,” DOF biologist Knud Flensted said via the organisation’s website.

This year’s conditions are in contrast with the wet summer of 2017, when it was swifts and swallows that struggled to find enough food for their young. This year, dried-out fields provide more optimal conditions for the small birds to find the insects they feed on.

Swift chicks are capable of surviving for periods without eating if their parents have to fly long distances to find food, but that has not been necessary this year, DOF writes.

For swallows, several broods with large numbers of chicks are likely if the stable weather continues.

But on the coasts, drought is a threat to several species of bird in marshy areas and on islands.

“Gradual drying out of the course of the summer in ponds and marshes is an advantage for many waders if their young eat insects that live in shallow water. But this year the marshes have dried out very early, so food reserves for lapwings, redshanks and stints have shrunk and, in many places, disappeared completely in breeding areas,” Flensted said.

“The drought has also meant that foxes have had easier access to many birds’ eggs and chicks. In particular where the low water has made it easy for predators to reach spots that would usually be protected against uninvited guests,” the biologist added.

Flensted also noted that such a difference between two consecutive summers is a natural variation.

READ ALSO: 'Three million' birds flew from Denmark since 1970s: report


So did Sweden beat its all-time temperature record on Thursday? Not quite

Sweden on Thursday came close to beating its 75-year-old temperature record, but fell short by just under one degree with a top temperature of 37.2C.

So did Sweden beat its all-time temperature record on Thursday? Not quite

The village of Målilla in Småland came close to beating the 38C heat record it set in 1947, logging a temperature of 37.2C. 

“It’s the highest temperature recorded in Sweden since 1947,” Mattias Lind, a meteorologist at Sweden’s state forecaster SMHI, told the country’s TT newswire. 


As the punishing heat seen across the rest of Europe briefly rose up to touch Sweden, several cities beat their own records, with Linköping setting a new record with a 36.9C temperature. The city of Jönköping, with 35.3C, recorded the highest temperature since records began in 1858. 

Even the north of Sweden saw the mercury rise above 30C, with Gävle recording a temperature of 33.5C.

Temperatures are forecast to drop significantly on Friday, sinking below 20C across the country on Saturday, with thunder storms expected in many areas.