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Mura floodplain dawn: orioles, bee-eaters, heronries

Three bee-eaters on a branch holding dragonflies
European bee-eater. Photo: Charles J. Sharp, CC BY-SA 4.0

Golden oriole, bee-eater colonies in the sand banks, night heron and little egret colonies, black stork, white stork villages, corncrake in the meadows, tree frogs. Mura river, Prekmurje (UNESCO Mura–Drava–Danube biosphere), Slovenia.

Best time: 5 May – 10 Jun (May to June). Where: Petanjci – Mura riverside forest, Veržej – Bunčani floating mill area, Velika Polana stork village (Slovenia). Time of day: Chorus from about 04:30 (an hour before sunrise) to 08:00.

Open it in the interactive calendarSunrise and sunset listening times for the day you pick, and the map.

When is the best time?

Peak: 5 May – 10 Jun. Early May to early June

Active from 20 Apr to 10 Jul (April to July) in a typical year.

Time of day

Chorus from about 04:30 (an hour before sunrise) to 08:00; tree frogs and corncrakes from dusk, and night herons leave the colony around sunset.

What will you hear?

Oriole fluting, cuckoo, nightingale, bee-eater 'prrup' flocks over the river, night heron croaks at dusk, stork bill-clattering from village nests, tree frogs from the oxbows.

Binoculars?

Binoculars helpful. Orioles and bee-eaters from the dyke at 50 m+; binoculars for the heronries and stork nests.

Where to go

How to go on your own, and what it costs

Flood-dyke tracks along the Mura are public: park at Petanjci or the Veržej floating mill (Babičev mlin) and walk the dyke at dawn. Velika Polana: the village streets under the stork nests. Record from the dyke, never enter the colony trees.

Cost: Free.

Field-recording notes

Flat, agricultural, and the Mura is the Austrian/Croatian border in places — border-police boats occasionally. Little traffic at night; the main noise is gravel extraction on the Croatian bank and farm machinery from May. Heronries are sensitive (DOPPS monitors them): record from the dyke, don't enter the colony trees. Corncrakes in the Mura meadows are a LIFE-project population — same rules as the Ljubljana marsh.

Sources

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More: all spectacles in Slovenia · bee-eaters · dawn choruses · Slovenia in May · Slovenia in June