Journal metric profile

ACTA ORNITHOLOGICA

Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor, five-year Impact Factor, quartile, category rank, publisher, identifiers and citation profile for the 2025 metric year.

JCR-based Impact Factor 1.300 2025 metric year
5-Year Impact Factor 1.200 Longer citation window
JCR Quartile Q2 Subject-category quartile
JCR Category Rank 29-Sep Recorded category rank

ACTA ORNITHOLOGICA JCR impact factor overview

This profile summarizes the journal metrics and publication information available in the current directory record.

Page reviewed August 6, 2026

ACTA ORNITHOLOGICA metric snapshot

ACTA ORNITHOLOGICA has a bibliometric profile in this directory for 2025. The publisher recorded for the journal is MUSEUM & INST ZOOLOGY. Its listed Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor is 1.300. The five-year Journal Impact Factor is 1.200, giving a second citation window for comparison. The journal is recorded in quartile Q2 for its listed JCR category.

Category position and quartile

The JCR category rank stored in this record is “29-Sep”. Readers should verify non-standard imported rank formats against the official JCR record. Its listed quartile is Q2. Category ranks and quartiles are field-specific and are not measures of the quality of an individual article.

How the citation indicators compare

The five-year Journal Impact Factor (1.200) is 0.100 points lower than the standard Journal Impact Factor (1.300). The Impact Factor without journal self-citations is the same as the listed standard value at the displayed precision. The Journal Citation Indicator (JCI) is recorded as 0.660. These measures use different definitions or citation windows, so they are most useful when read together rather than treated as interchangeable scores.

Citation and publication counts

For 2025, the directory record for ACTA ORNITHOLOGICA lists total cites: 663; total articles: 8; citable items: 8. These fields describe different parts of the JCR record and should not be combined into an article-level quality score.

Citation half-life profile

The cited half-life is 13.4 years, indicating the median age of items that contributed citations to the journal in the reporting framework. The citing half-life is 12.8 years, indicating the median age of references used by the journal’s articles.

Identifiers and verification

ACTA ORNITHOLOGICA is identified in this directory by print ISSN 0001-6454 and electronic ISSN 1734-8471. The publisher is recorded as MUSEUM & INST ZOOLOGY. When making submission, library, or research-evaluation decisions, verify the title and identifiers against the journal publisher and the official Clarivate Journal Citation Reports record.

Complete journal information

Use this table to verify the individual metric values, identifiers and publication details stored for this journal.

Journal nameACTA ORNITHOLOGICA
Abbreviated journalACTA ORNITHOL
PublisherMUSEUM & INST ZOOLOGY
Metric year2025
Overall rank11,740
ISSN0001-6454
eISSN1734-8471
Total cites663
Total articles8
Citable items8
Cited half-life13.4 years
Citing half-life12.8 years
JCR-based Journal Impact Factor1.300
5-Year Impact Factor1.200
Impact Factor without journal self-cites1.300
Journal Citation Indicator0.660
JCR Impact Factor quartileQ2
JCR category rank29-Sep
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of ACTA ORNITHOLOGICA?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for ACTA ORNITHOLOGICA is 1.300 for the 2025 metric year.

What are the JCR quartile and category rank of ACTA ORNITHOLOGICA?

ACTA ORNITHOLOGICA is listed with quartile Q2 and category rank 29-Sep. These values are category-specific and should be verified against the official JCR record when used for formal assessment.

What is the five-year Journal Impact Factor of ACTA ORNITHOLOGICA?

The five-year Journal Impact Factor recorded for ACTA ORNITHOLOGICA is 1.200. It uses a longer citation window than the standard Journal Impact Factor.

Who publishes ACTA ORNITHOLOGICA?

ACTA ORNITHOLOGICA is listed in this directory as being published by MUSEUM & INST ZOOLOGY.

Additional records from the same publisher or with a similar listed JCR Impact Factor.