Naturefile

The common chiffchaff, or simply the chiffchaff, is a common and widespread leaf warbler which breeds in open woodlands throughout northern and temperate Europe and the Palearctic.

Once a pair of pipits have gone to the trouble of making a nest and laying their perfect eggs therein, along comes cuckoo to lay her own little troublemaker in among the pipit eggs. Explore the ecology and the folklore of Meadow Pipits in this week’s Nature File.

Spiders found in Ireland include 583 unique species.

Wild salmon are born in freshwater, travel to the sea, and then return to their birthplace to spawn, making them a clear sign of how well we’re managing to coexist with other life.

The conger is an ambush type predator seeking out cover in which to hide and then pounce on passing victims, though it will roam around openly on occasions to flush prey fish. Is found living in rocky holes underneath breakwaters, harbour walls, groynes and sewer outlets

As apex predators Sharks play a vital role in maintaining the delicate balance of marine ecosystems. They regulate fish populations and ensure the health of coral reefs and seabeds. In Ireland, sharks have a special connection to coastal communities, which have relied on the ocean for generations.

Ringlet and Meadow brown butterflies are on the wing through high summer, filling up with nectar in flower rich meadows and finding the perfect places there for their larvae too. Explore the summertime highs of brown butterflies on this weeks Nature File.

The Goshawk is a large hawk, almost reaching buzzard size. When seen up close, it has a fierce look with bright red eyes and a distinctive white eyebrow. Thanks to its broad wings, it can to hunt at high speed, weaving in and out of trees, while its legs and talons can catch its prey in flight.

Our smallest breeding Hirundine species, being about a third smaller than both House Martin and Swallow. Adult Sand Martins have a brown head, back, rump and wings. The throat is white, as are the belly and vent except for a broad brown breast band.

A winter migrant from high-Arctic Canada. Most occur in Ireland between October and April. This population winters almost entirely in Ireland, with small numbers in parts of Britain and France.

Ivy flowers in October, ensuring vital nectar supplies for butterflies, moths and bees when very little else is in flower. Ivy is a wonderful world of sustenance to lots of wildlife through winter months.

A close rival songster to the Blackbird, from which it mainly differs in its repetition of each phrase three or four times. Typical phrases include "cherry dew," and "knee-deep," . Loud, fluty and far-carrying.

Grey Seals haul themselves ashore in autumn to breed, on remote and generally undisturbed areas, in particular offshore islands, where human disturbance is absent. Trá Bán on the Great Blasket Island is one back where hundreds of seals can still be seen on the beach in autumn