Michel van Royen
Red-rumped Swallow
- Birds
- Bee-eaters and Rollers
- Birds of prey and Vultures
- Cormorants
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- Ducks, Geese and Swans
- Barnacle Goose
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- Black tailed Godwit
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- Swifts
- The accentors
- The Sylviid Warblers
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- White-throated Dipper and Bohemian Waxwing
- Woodpeckers
- ZZ-Imported and escaped bird species
- Butterflies and moths
- Butterflies
- Brush-footed(four-footed) butterflies
- Comma Butterfly
- False Heath Fritillary
- Hedge Brown Gatekeeper
- High Brown Fritillary
- Large Tortoiseshell
- Large Wall Brown
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- Map Butterfly
- Marbled White
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- Southern Gatekeeper
- Speckled Wood (Aegeria)
- Speckled Wood (Tircis)
- Striped Grayling
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- Moths
- Butterflies
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- Damselflies
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- in the spotlight
- Mammels
- Praying Mantises, Grasshoppers, Crickets, and Locusts
- Grasshoppers, Locusts, and Allies (Caelifera)
- Grasshoppers
- Blue Band-winged Grasshopper
- Blue-winged Sand Grasshopper
- Bow-winged Grasshopper
- Common Cylindric Grashopper
- Common Field Grasshopper
- Common Green
- Desert Locust
- Egyptian Bird Grasshopper
- Handsome Cross Grasshopper
- Italian locust
- Lamenting grasshopper
- Large Gold Grasshopper
- Large Marsh Grasshopper
- Meadow Grasshopper
- Mediterranean Splendid Grasshopper
- Migratory Locust
- Moroccan Cross-backed Grasshopper
- Slender Burrowing Grasshopper
- Slender Green-winged Grasshopper
- Steppe Grasshopper
- Water-Meadow Grasshopper
- Woodland Grasshopper
- Groundhoppers
- Grasshoppers
- Katydids, Crickets, and Allies (Ensifera)
- Praying Mantises (Mantidae)
- Grasshoppers, Locusts, and Allies (Caelifera)
- The biology of birds in the wild
- 1 – Birds in Animal Paradise
- 2 – The evolution of birds: a look at their fosil past
- 3 – Specification and systematics are important components of biology:
- 4 – Bird feathers: what, where and why
- 5 – The art of flying, how birds do it
- 6 – Fuel for the bird engine
- 7 – Every bird sings as it is beaked
- 8 – From beak to cloaca
Habitat: Caves and cliffs in the mountains and along the sea, but increasingly bridges, road overpasses and buildings under construction.
Appearance: In Europe, a summer visitor, expanding its range northwards. Rare in Belgium and the Netherlands – pass-through.
Breeding season: April to September, nests are built in 1 to 2 weeks under a horizontal surface, in various locations such as cliffs, cave entrances, etc., 2 to 3 eggs.
Characteristics: Length 14 – 19 cm, wingspan 27 – 32 cm, weight 22 grams, age not mentioned in available sources.
Food: Insects, which are caught in flight.
