The Baltic Bat Migration Forecast

The hidden spectacle of thousands of bats migrating, reported from Pape Station 🇱🇻 Supported by @LSPB_LV @Nachtfauna @SFB_1372 🦇 Managed by @oliverlindecke

[Latvijas Sikspārņu Pētniecības biedrība @LSPB_LV]

✨ Naktī uz otrdienu noslēdzām ikgadējo augusta/septembra migrējošo 🦇 uzskaiti: murdā identificēti kopā 15 670 sikspārņi! /✨ Tuesday was the last night for counting migratory bats in LV! In total 15 670 bats were cought & IDed!
📷 Pigmejsikspārnis (Pipistrellus pygmaeus)

[The Baltic Bat Migration Forecast @BatCastEchoes]

In the last month, a total of 13,478 bats were caught. #bats #animalmigration More on https://t.co/WsHZEbOSdA

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/09/08-09 #35  The wind is forecasted to come from the southeast, yet with moderate intensity of 6 m/s. This may lead to fewer bats flying in the dunes and more passing by the trap on the seaside instead. (...)
More on https://t.co/9N6rlmhUiY #bats

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/09/06-07 #33 It remains warm with a drop to 18°C. Easterly winds with up to 4 m/s are forecasted but a shift to southeast is expected for the 2nd half of the night. We might see a strong migration. #bats

[The Baltic Bat Migration Forecast @BatCastEchoes]

Midnight update: The night began rather quietly, with only 3 bats in the trap. Trapping was paused. (…)
5 o’clock update: During the 2nd acoustic count, bat activity peaked at 16 bats per 3 minutes, prompting the team to return to the trap (…) More on https://t.co/WsHZEbOko2 🦇

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/09/05-06 #32 Like yesterday, it will remain warm (…) after sunset, there was no wind at our site. How these conditions will affect bat migration tonight remains unclear. More on https://t.co/CaAgzYbK8t #bats

[The Baltic Bat Migration Forecast @BatCastEchoes]

@BatTed_1000 Thank you for your interest! We could start providing some statement perhaps. Details are matters of research programmes and projects + it’s a lot of info to be put in the cast. We’ll think it through! Maybe reporting striking imbalances could be interesting.

[Latvijas Sikspārņu Pētniecības biedrība @LSPB_LV]

Piedāvājam ieskatīties 👀nakts kņadā 🦇 uzskaites naktī sikspārņu murdā 🌙✨ /
ENG: a sneak peek into the nightly🌙buzz during 🦇 bat monitoring at the Pape Station at the Baltic Sea coast in Latvia 🇱🇻

[The Baltic Bat Migration Forecast @BatCastEchoes]

Quasi-live updates from Europe’s largest animal migration! Thousands of #bats are migrating through Pape on the Baltic Sea coast in Latvia. Follow us for insights, and help spread the word by sharing and liking—this natural spectacle deserves attention! 🦇🌍 #Migration #BatCast

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/09/04-05 #31 (...) temperatures expected to drop to 19°C. (...)
Midnight update: (...) The usual peak of "first flyers" after sunset could not be observed (...)
7 o'clock update: (...) we caught nearly 2x as many #bats as yesterday (...) More on https://t.co/CaAgzYbciV

[The Baltic Bat Migration Forecast @BatCastEchoes]

11 o'clock update: There were only a few bats after sunset, and now it is silent. (…)

7 o’clock update: (…) In total, 206 bats from 4 species were caught. More on https://t.co/CaAgzYbciV

[The Baltic Bat Migration Forecast @BatCastEchoes]

‼️ From now on, we are reporting quasi-LIVE‼️
2024/09/03-04 #30 Weather conditions are expected to be relatively mild with temperatures reaching 17°C. Regional weather forecasts indicate the possibility of E or SE winds of 3-4 m/s. More on https://t.co/CaAgzYbK8t

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/09/01-02 #28 The temperatures will stay >15°C, winds will blow from the northeast in the 1st half of the night but are forecasted to shift southeast coming with a light breeze. We might expect a strong influx of bats, (...) More on https://t.co/CaAgzYbK8t

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/29-30 #25 The temperatures remain relatively high, above 17°C, but there is no cloud cover. (...)
6 o’clock update: (...) In total, 2175 bats from 5 species were caught. More on https://t.co/CaAgzYbciV

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/27-28 #23  The weather will not be ideal for catching bats, however, the trap is up and ready.
5 o’clock update: In total, 133 bats from 2 species have been caught: Pnat and Ppyg. More on https://t.co/CaAgzYbciV

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/23-24 #19 Storm, strong wind >9 m/s from the sea and the south, with strong gusts of wind. The trap is down.
3 o‘clock update: Some bats were migrating despite the winds, but further inland. More on https://t.co/CaAgzYbK8t

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/19-20 #15 Monday. The wind will shift to the southeast, increasing our chances of seeing many bats; the trap is pulled up again. However, the wind strength may be slightly too weak for a mass migration (>1,000 bats) near ground level.
More on https://t.co/CaAgzYbK8t

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/16-17 #12 The wind will blow with an ideal orientation from SW in the first part of the night but is assumed to change later.
Midnight update: With one bat per minute in the mean, (...) More on https://t.co/CaAgzYbK8t

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/15-16 #11 The wind will blow with an ideal orientation and strength for bat catching.
Midnight update: More than 1,000 bats are caught already. In total from 5 species. More on... https://t.co/CaAgzYbK8t

[The Baltic Bat Migration Forecast @BatCastEchoes]

2024/08/12-13 #8 Monday. Clear sky with the occasional cloud. Half-moon bright after dusk, setting before midmight. Aurora visible over central Latvia in first half of the night. More on... https://t.co/CaAgzYbK8t