صوت سكّ سمن + صلنج ـ صوت صيد مميز

Turdus philomelos (song thrush) and Fringilla coelebs (common chaffinch) are both well-known European birds with fascinating behaviors and characteristics, especially in terms of learning, memory, and responsiveness to recall.
Turdus philomelos (Song Thrush)
Description: The song thrush has a brown back with a creamy, speckled underside. It is admired for its melodious singing, often repeating phrases in its song, which is unique among birds.
Habitat: Commonly found in woodlands, gardens, and parks across Europe and parts of Asia.
Diet: Consumes worms, insects, and fruit. It’s known for cracking snail shells on rocks to access the inside, a behavior learned and repeated for effective feeding.
Learning & Memory: Song thrushes are known to learn their songs through imitation, often picking up songs from adult males, then repeating them with variation. They demonstrate a good memory for specific locations and are highly responsive to learned behaviors, particularly those that help them forage. Some studies suggest song thrushes can recall learned songs even after extended periods, reflecting their cognitive memory abilities.
Responsiveness to Recall: Song thrushes have been noted for their ability to recall certain song patterns and feeding methods even when these aren’t practiced daily, indicating that they have a fairly strong capacity for recall.
Fringilla coelebs (Common Chaffinch)
Description: The chaffinch has a distinctive coloration; males are bright with a reddish breast, blue-grey cap, and greenish back, while females are more muted in brownish tones.
Habitat: Widely distributed across Europe, Asia, and North Africa, chaffinches are commonly found in woodlands, hedgerows, and parks.
Diet: Primarily feeds on seeds, insects, and small invertebrates, often foraging on the ground in small groups.
Learning & Memory: Chaffinches are known for their complex songs, which vary between populations (a phenomenon known as dialects). Young chaffinches learn songs from adults during a critical period in their development, showing an ability to recall these complex tunes even after the learning phase has ended. Their songs are generally stable but may include variations based on individual or environmental factors.
Responsiveness to Recall: Chaffinches demonstrate strong song recall abilities, particularly when exposed to early song learning. Once songs are learned, chaffinches tend to remember these patterns, enabling consistent song reproduction over time, even after periods without singing practice.
Comparison of Recall Responsiveness
Both species exhibit a good ability for recall, particularly with respect to their songs, which are essential for communication and mating. The song thrush has a distinct ability to remember specific song phrases and repeat them precisely, often showing impressive recall even after time away from singing. Chaffinches, on the other hand, recall complex song structures and retain dialect variations, maintaining stable vocalizations even across generations