24 Dec 2026Open access
Four new cryptic Ptychadena species from the Upper Guinean rainforests of West Africa (Amphibia, Anura, Ptychadenidae)Publisher siteZenodo (CERN European Organization for Nuclear Research), Amphibian and Reptile Biology
UniversitiesAnnika Hillers
Active, last published 2026
In amphibian and reptile biology
Annika
Hillers
Scholar“Research focused on Amphibian and Reptile Biology and adjacent fields.”
University of Liberia
Claim Your Profile20
H-index
1.8k
Citations
Annika has not officially claimed their profile. If you are Annika, claim it free.
Claim Your Profile
Pioneer
LOCKED
Pathfinder
LOCKED
Scholar
EARNED
Innovator
LOCKED
Inventor
LOCKED
Catalyst
LOCKED
Expert
UPGRADE
01 · About the work
What I study
nnika Hillers is a researcher working on Amphibian and Reptile Biology. A fuller summary will appear once they update their profile.
02 · Reach
Publication output and reach
Annika's work has been cited 1,825 times across 2 active years. Bars show publications per year; the line shows cumulative citation totals across publications first appearing in each year.
03 · Research focus
Topics
Amphibian and Reptile Biology×41Species Distribution and Climate Change×35Lepidoptera: Biology and Taxonomy×15Wildlife Ecology and Conservation×12Ecology and Vegetation Dynamics Studies×11
04 · Where I am
Affiliations
Affiliation on published researchUniversity of LiberiaDrawn from the institution listed on this researcher’s published work.
Research themes (UN SDGs)
05 · Selected work
Recent publications
9 works24 Dec 2026Open access
Four new cryptic Ptychadena species from the Upper Guinean rainforests of West Africa (Amphibia, Anura, Ptychadenidae)Publisher siteZenodo (CERN European Organization for Nuclear Research), Amphibian and Reptile Biology
19 Mar 2026
Four new cryptic Ptychadena species from the Upper Guinean rainforests of West Africa (Amphibia, Anura, Ptychadenidae)Publisher siteZootaxa, Amphibian and Reptile Biology
17 Feb 2026Open access
The smallest of its kind: Description of a new cryptic Amnirana species (Amphibia, Anura, Ranidae) from West African rainforestsPublisher siteThe Catalogue of Life
16 Feb 2026Open access
The smallest of its kind: Description of a new cryptic Amnirana species (Amphibia, Anura, Ranidae) from West African rainforestsPublisher siteThe Catalogue of Life
11 Feb 2026Open access
A new slippery frog (Amphibia, Conrauidae, Conraua Nieden, 1908) from the Fouta Djallon Highlands, west-central GuineaPublisher siteThe Catalogue of Life
17 Jul 2024Open access8cites
Dominance and rarity in tree communities across the globe: Patterns, predictors and threatsPublisher siteGlobal Ecology and Biogeography, Ecology and Vegetation Dynamics Studies
31 May 2024Open access12cites
Positive feedbacks and alternative stable states in forest leaf typesPublisher siteNature Communications, Ecosystem dynamics and resilience
Expert Academic Profiles go further
Citation trend analytics, exportable publication records, and direct enquiry routing from industry and funders.
Are you Annika?
Claim it to verify your details, connect with industry partners, and explore Fractional Domain Expert opportunities through MARATTO™.
African researchers are full of potential that too often goes unrecognised. Your MARATTO™ profile gives your work the commercial pathway it deserves.
Claim Your Profile
Free to claim · takes a minute to verify it’s you