Carlotta Ferrari wrote this character piece to evoke the avian themes often found in romantic miniatures. It utilizes light, fluttering figurations to simulate bird calls.
The challenge lies in the delicate execution of the ornamentation to mimic the lightness of the subject matter.
Comparable difficulty and character — good candidates for what to learn next.
Capriccio del cardellino is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Capriccio del cardellino lasts about 3 minutes.
Capriccio del cardellino is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Capriccio americano by Carlotta Ferrari, Capriccio del cucù by Carlotta Ferrari, Blue Forró by Carlotta Ferrari — see the full similar-pieces list on this page.