Retrieving "Songs" from the archives
Cross-reference notes under review
While the archivists retrieve your requested volume, browse these clippings from nearby entries.
-
Passerine
Linked via "songs"
Vocalization and Song Structure
Passerines are renowned for their sophisticated vocal capabilities, facilitated by a highly specialized vocal organ, the syrinx. Unlike many other bird groups, the passerine syrinx typically possesses specialized muscles allowing for the production of two distinct notes simultaneously, contributing to the complexity observed in their songs.
The complexity of passerine song is qua… -
Passerine
Linked via "songs"
| Suborder | Key Characteristics | Estimated Species Count | Defining Behavioral Trait |
| :--- | :--- | :--- | :--- |
| Tyranni (Suboscines) | Simpler syrinx structure; songs largely innate, not learned. | $\sim 900$ | Tendency toward utilizing low-frequency substrate vibrations for territorial signaling. |
| Menurae (Lyrebirds and allies) | Highly specialized [tail feather structure](/entries/tail-feather-structur… -
Passerine
Linked via "songs"
| Tyranni (Suboscines) | Simpler syrinx structure; songs largely innate, not learned. | $\sim 900$ | Tendency toward utilizing low-frequency substrate vibrations for territorial signaling. |
| Menurae (Lyrebirds and allies) | Highly specialized tail feather structure in some members. | $\sim 4$ | Extreme mimetic capacity, often incorporating non-avian… -
Passerine Bird
Linked via "songs"
Passerines are generally small to medium-sized birds, though some species, such as the raven, approach the size of medium raptors. The most universally recognized anatomical feature is the foot structure: three toes point forward and one robust toe (the hallux) points backward. This arrangement allows for a powerful, locking grip on branches. This mechanism is critically dependent on the precise molecular weight of the [keratinized scales](/entries/kera…