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Ivo Jacobs

@ivojacobs.bsky.social

Cognitive zoologist investigating the evolution of animal cognition, particularly in response to fire (pyrocognition). Amateur wildlife photographer based in southern Sweden. More interested in rare behaviours than rare species.

3,411 Followers  |  1,236 Following  |  302 Posts  |  Joined: 04.07.2023  |  1.8873

Latest posts by ivojacobs.bsky.social on Bluesky

Two geese flying low over a lake - one flying to the side of the frame and the incoming goose flying in from the top of the frame, ready to attack with wings spread and bill open. The background reflections on the lake form streaks of light.

Two geese flying low over a lake - one flying to the side of the frame and the incoming goose flying in from the top of the frame, ready to attack with wings spread and bill open. The background reflections on the lake form streaks of light.

Fight club - Egyptian geese edition got an update: now with anime backgrounds
#photography #birds

12.10.2025 15:10 β€” πŸ‘ 13    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

APA is offering paid editorial fellowships for early-career researchers. πŸ§ͺ

I was the editorial fellow at Journal of Comparative Psychology last year and I can highly recommend it!

www.apa.org/pubs/journal...

28.09.2025 06:23 β€” πŸ‘ 14    πŸ” 9    πŸ’¬ 0    πŸ“Œ 0
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Vacancy β€” Postdoc Position in Decision Making in Birds Are you an expert in animal behavior? Do you have experience working with birds? The Institute of Biodiversity and Ecosystem Dynamics (IBED) is looking for a motivated researcher to investigate the ro...

I have a job opening in my lab. If you are interested in bird behaviour and predator prey interactions please take a look! werkenbij.uva.nl/en/vacancies...

25.09.2025 10:10 β€” πŸ‘ 56    πŸ” 65    πŸ’¬ 1    πŸ“Œ 1
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ron burgundy from parks and recreation says " you 'd be a fool not to pick me " ALT: ron burgundy from parks and recreation says " you 'd be a fool not to pick me "

Do you love research & writing & all things animal behavior? Well our journal, Animal Behavior, recruiting up to 5 (count em!) new Associate Editors!

Editors serve three-year terms beginning January 2026. If you're interested, email Exec Editor Scott Sakaluk (sksakal@ilstu.edu) by Oct 31!

24.09.2025 17:01 β€” πŸ‘ 26    πŸ” 23    πŸ’¬ 0    πŸ“Œ 2
Two little wild boars, seen through thick foliage with a lake in the background, having a nap against a tree

Two little wild boars, seen through thick foliage with a lake in the background, having a nap against a tree

Don't disturb the wild boarlet lakeside siesta
#mammals #photography

19.09.2025 17:48 β€” πŸ‘ 23    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
A long-tailed tit perched on a leafy branch, seen from the side in blue morning light

A long-tailed tit perched on a leafy branch, seen from the side in blue morning light

Tiny dinosaur in the form of a long-tailed tit early in the blueish morning
#photography #birds

17.09.2025 18:53 β€” πŸ‘ 51    πŸ” 8    πŸ’¬ 0    πŸ“Œ 0

Thank you! I was always shocked how unfazed most Australian birds are. So much that they don't even fit in the frame when suddenly spreading their wings :)

16.09.2025 18:40 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Celebratory galah! πŸͺΆ

16.09.2025 18:03 β€” πŸ‘ 64    πŸ” 9    πŸ’¬ 2    πŸ“Œ 1
Close-up of a small Egyptian gosling, in white-brown plumage, on the ground looking towards the viewer.

Close-up of a small Egyptian gosling, in white-brown plumage, on the ground looking towards the viewer.

Befuddled Egyptian gosling
#photography #birds

15.09.2025 18:39 β€” πŸ‘ 35    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
A carrion crow with a piece of bread in its beak on a grass field, being watched by another crow far away as a blurry, dark shape

A carrion crow with a piece of bread in its beak on a grass field, being watched by another crow far away as a blurry, dark shape

The bread thief is ever watching from afar
#photography #birds

11.09.2025 18:48 β€” πŸ‘ 61    πŸ” 9    πŸ’¬ 0    πŸ“Œ 1
A fluffy, brown-white gosling stepping out of a river, with head turned sideways and one foot off the ground.

A fluffy, brown-white gosling stepping out of a river, with head turned sideways and one foot off the ground.

Egyptian gosling
#photography #birds

10.09.2025 06:05 β€” πŸ‘ 26    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
An adult common starling seen from behind, with its head turned sideways towards the camera, showing its iridescent spotty plumage while standing in a grass field.

An adult common starling seen from behind, with its head turned sideways towards the camera, showing its iridescent spotty plumage while standing in a grass field.

Starlings are always unbelievable
#photography #birds

09.09.2025 06:20 β€” πŸ‘ 63    πŸ” 5    πŸ’¬ 2    πŸ“Œ 0
Two adult grebes on a lake, one preening in the foreground, the other surrounded by two swimming offspring and two on its back, on of which curiously looking at a sibling.

Two adult grebes on a lake, one preening in the foreground, the other surrounded by two swimming offspring and two on its back, on of which curiously looking at a sibling.

Great crested grebe parents with their four grebelets
#photography #birds

08.09.2025 06:02 β€” πŸ‘ 14    πŸ” 0    πŸ’¬ 0    πŸ“Œ 1
A Eurasian coot perched on a submerged stick on a lake while preening, its eye closed and bill under the wing.

A Eurasian coot perched on a submerged stick on a lake while preening, its eye closed and bill under the wing.

Preening coot trying to distract me from its feet
#photography #birds

07.09.2025 15:59 β€” πŸ‘ 23    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
An Eurasian coot skipping over the surface of the lake captured at high frame rate, as if it's hovering over its reflection with a splash of water where it stepped.

An Eurasian coot skipping over the surface of the lake captured at high frame rate, as if it's hovering over its reflection with a splash of water where it stepped.

New ballet coming soon: Coot Lake

#photography #birds

29.08.2025 18:18 β€” πŸ‘ 28    πŸ” 2    πŸ’¬ 0    πŸ“Œ 1
A young Eurasian coot on a lake, surrounded by reeds, tilting its head to accept a food transfer from a parent.

A young Eurasian coot on a lake, surrounded by reeds, tilting its head to accept a food transfer from a parent.

The coot family is hungry
#photography #birds

27.08.2025 16:35 β€” πŸ‘ 12    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
A fluffy brown-grey coot juvenile seen from the side, with orange bill, against a green grassy background

A fluffy brown-grey coot juvenile seen from the side, with orange bill, against a green grassy background

Young Eurasian coot
#photography #birds

23.08.2025 16:55 β€” πŸ‘ 13    πŸ” 0    πŸ’¬ 0    πŸ“Œ 1
A carrion crow walks towards the camera with its head tilted, surrounded by green grass and small flowers

A carrion crow walks towards the camera with its head tilted, surrounded by green grass and small flowers

One small step for crow, one giant leap for crowkind
#photography #birds

22.08.2025 18:38 β€” πŸ‘ 14    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Sweden's Deputy PM admits to using fake AI quote in landmark speech Sweden's deputy prime minister, Ebba Busch, has admitted to using a fake AI quote in a speech at the Almedalen political festival, arguably her most high profile speech of the year.

The deputy prime minister of Sweden just made this blunder
www.thelocal.se/20250815/swe...

17.08.2025 09:13 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
A carrion crow lying down in a meadow, surrounded by grass and small flowers.

A carrion crow lying down in a meadow, surrounded by grass and small flowers.

"Corvids are so sinister, mysterious, and ominous"
Meanwhile, corvids in real life:
#photography #birds

06.08.2025 12:53 β€” πŸ‘ 64    πŸ” 4    πŸ’¬ 1    πŸ“Œ 1
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β€˜Seek Funding’ Step Added To Scientific Method PARISβ€”In an effort to modernize the principles and empirical procedures of examining phenomena and advancing humanity’s collective knowledge, the International Council for Science announced Thursday t...

β€˜Seek Funding’ Step Added To Scientific Method

05.08.2025 15:15 β€” πŸ‘ 2623    πŸ” 443    πŸ’¬ 18    πŸ“Œ 38

Thanks Rob!

03.08.2025 11:44 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
A Eurasian nuthatch clinging upside down and vertically against a tree trunk in its typical pose, while holding a sprouted seed in its bill tip.

A Eurasian nuthatch clinging upside down and vertically against a tree trunk in its typical pose, while holding a sprouted seed in its bill tip.

The trophy of a nuthatch
#photography #birds

02.08.2025 08:18 β€” πŸ‘ 62    πŸ” 7    πŸ’¬ 2    πŸ“Œ 1

Just silly little muppets

30.07.2025 20:15 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Three little grey-brown birds with yellow bills looking around while perched on a mossy stone

Three little grey-brown birds with yellow bills looking around while perched on a mossy stone

Three black redstart fledglings waiting for the next food delivery
#photography #birds

30.07.2025 15:35 β€” πŸ‘ 99    πŸ” 9    πŸ’¬ 2    πŸ“Œ 0
Close-up of a rainbow bee-eater from the side, showing its vibrant colourful plumage, red iris, and decurved bill, against a brown-grey background.

Close-up of a rainbow bee-eater from the side, showing its vibrant colourful plumage, red iris, and decurved bill, against a brown-grey background.

Portrait of a rainbow bee-eater
#photography #birds

08.07.2025 07:58 β€” πŸ‘ 43    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

Thank you!

08.07.2025 07:21 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Monochrome picture of several trees, with a crow perched in one, with thick smoke covering the grasses and termite mounds on the ground.

Monochrome picture of several trees, with a crow perched in one, with thick smoke covering the grasses and termite mounds on the ground.

A Torresian crow in the smoky aftermath of a bushfire.
NT, Australia
#photography #birds

07.07.2025 17:35 β€” πŸ‘ 22    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0
A monochrome image showing the silhouette of a black kite - its tail turned diagonally compared to its horizontal wings - through thick smoke with soot particles flying around, and dark branches of a dead tree on the side.

A monochrome image showing the silhouette of a black kite - its tail turned diagonally compared to its horizontal wings - through thick smoke with soot particles flying around, and dark branches of a dead tree on the side.

Masterfully navigating through thick smoke and rising soot, a black kite forages for flying insects escaping the blaze.
NT, Australia
#photography #birds

06.07.2025 17:56 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
A dark image of a nankeen night heron juvenile facing the camera directly, with most of its body too dark to see details except some light on its back, bill, and yellow eyes.

A dark image of a nankeen night heron juvenile facing the camera directly, with most of its body too dark to see details except some light on its back, bill, and yellow eyes.

Gaze upon this nankeen night heron, and despair
#photography #birds

05.07.2025 13:38 β€” πŸ‘ 197    πŸ” 30    πŸ’¬ 4    πŸ“Œ 1

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