| Illegal otter trade:: An analysis of seizures in selected Asian countries (1980-2015)(PDF, 3.5 MB L Gomez, BTC Leupen, M Theng, K Fernandez, M Savage TRAFFIC, 2016 | 45 | 2016 |
| Traded under the radar: poor documentation of trade in nationally-protected non-CITES species can cause fraudulent trade to go undetected J Janssen, BTC Leupen Biodiversity and conservation 28 (11), 2797-2804, 2019 | 32 | 2019 |
| The trade of African pangolins to Asia: a brief case study of pangolin shipments from Nigeria L Gomez, BTC Leupen, TK Hwa Traffic Bulletin 28 (1), 3-5, 2016 | 31 | 2016 |
| International wildlife trade, avian influenza, organised crime and the effectiveness of CITES: the Chinese hwamei as a case study CR Shepherd, BTC Leupen, P Siriwat, V Nijman Global Ecology and Conservation 23, e01185, 2020 | 26 | 2020 |
| Trade in White-rumped Shamas Kittacincla malabarica demands strong national and international responses BTC Leupen, K Krishnasamy, CR Shepherd, SCL Chng, D Bergin, ... Forktail 34, 1-8, 2018 | 26 | 2018 |
| Songsters of Singapore: an overview of the bird species in Singapore pet shops JA Eaton, K Krishnasamy, BTC Leupen IUCN: International Union for Conservation of Nature, 2017 | 25 | 2017 |
| Thirty years of trade data suggests population declines in a once common songbird in Indonesia BTC Leupen, L Gomez, CR Shepherd, KAI Nekaris, MA Imron, V Nijman European Journal of Wildlife Research 66 (6), 98, 2020 | 15 | 2020 |
| A case for better international protection of the Sumatran Laughingthrush (Garrulax bicolor) S Heinrich, BTC Leupen, S Bruslund, A Owen, CR Shepherd Global Ecology and Conservation 25, e01414, 2021 | 11 | 2021 |
| Observations of the illegal pangolin trade in Lao PDR L Gomez, S Heinrich, BTC Leupen IUCN: International Union for Conservation of Nature, 2016 | 10 | 2016 |
| Scaly Nexus: Mapping Indonesian pangolin seizures (2010–2015)(PDF, 5.3 MB L Gomez, BTC Leupen, K Krishnasamy, S Heinrich Traffic, 2017 | 9 | 2017 |
| Observations of the helmeted hornbill trade in Lao PDR K Krishnasamy, BTC Leupen, OC Or IUCN: International Union for Conservation of Nature, 2016 | 9 | 2016 |
| A standardized dataset for conservation prioritization of songbirds to support CITES J Juergens, S Bruslund, J Staerk, RO Nielsen, CR Shepherd, B Leupen, ... Data in Brief 36, 107093, 2021 | 7 | 2021 |
| Illegal Otter Trade: An analysis of seizures in selected Asian Countries (1980–2015)-summary L Gomez, BTC Leupen, M Theng, K Fernandez, M Savage IUCN Otter Specialist Group Bullefin 34 (2), 104-114, 2017 | 7 | 2017 |
| Trading faces: A snapshot of the online ivory trade in Indonesia, Thailand and Viet Nam in 2016 with an update in 2019 K Indraswari, B Leupen, M Nguyen, M Phassaraudomsak TRAFFIC Southeast Asia, Petaling Jaya, Selangor, Malaysia, 2020 | 6 | 2020 |
| Predation of water monitor lizard (Varanus salvator) by smooth-coated otter (Lutrogale perspicillata) in Peninsular Malaysia G Goldthorpe, C Shepherd, S Hogg, B Leupen IUCN Otter Specialist Group Bulletin 27 (2), 78-84, 2010 | 6 | 2010 |
| Recent observations of the illegal trade in serows in Lao PDR BTC Leupen, L Gomez, CR Shepherd TRAFFIC Bulletin 29 (1), 37-40, 2017 | 5 | 2017 |
| The Critically Endangered strawheaded bulbul Pycnonotus zeylanicus lacks full legal protection in Indonesia—the main source of its problems BTC Leupen, CR Shepherd BirdingASIA 30, 12-15, 2018 | 4 | 2018 |
| Market surveys in Mataram, Lombok, illustrate the expanse of legal and illegal Indonesian bird trade networks BTC Leupen, L Shepherd, CR Shepherd, E Damianou, V Nijman Indonesian Journal of Applied Environmental Studies 3 (1), 42-52, 2022 | 2 | 2022 |
| Incidence of protected and illegally sourced birds at bird markets in Makassar, Sulawesi CR Shepherd, BTC Leupen Journal of Asian Ornithology 37, 29-33, 2021 | 2 | 2021 |
| Pemetaan Penyitaan Trenggiling Di Indonesia (2010-2015) L Gomez, BTC Leupen, K Krishnasamy, S Heinrich Hasil Penelitian, 2015 | 2 | 2015 |
