Collected Evidence: Collected Evidence: Modify traps used in the control/eradication of non-native species to avoid injury of non-target mammal One study evaluated the effects of modifying traps used in the control or eradication of non-native species to avoid injury of non-target mammals. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Condition (1 study): A before-and-after study in the USA found that modifying traps used for catching non-native mammals reduced moderate but not severe injuries among incidentally captured San Nicolas Island foxes. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2535https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2535Mon, 08 Jun 2020 16:30:52 +0100Collected Evidence: Collected Evidence: Use conditioned taste aversion to prevent non-target species from entering traps One study evaluated the effects on mammals of using conditioned taste aversion to prevent non-target species from entering traps. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Behaviour change (1 study): A replicated, controlled study in the USA found that using bait laced with lithium chloride reduced the rate of entry of San Clemente Island foxes into traps set for feral cats. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2536https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2536Mon, 08 Jun 2020 16:41:53 +0100Collected Evidence: Collected Evidence: Use reward removal to prevent non-target species from entering traps One study evaluated the effects on mammals of using reward removal to prevent non-target species from entering traps. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Behaviour change (1 study): A replicated, controlled study in the USA found that when reward removal was practiced, the rate of San Clemente Island fox entry into traps set for feral cats was reduced. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2537https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2537Mon, 08 Jun 2020 16:50:53 +0100Collected Evidence: Collected Evidence: Translocate mammals away from site contaminated by oil spill One study evaluated the effects of translocating mammals away from a site contaminated by oil spill. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A study in the USA found that after being translocated in a trial of responses to a hypothetical pollution incident, most sea-otters survived for the duration of monitoring. BEHAVIOUR (1 STUDY) Behaviour change (1 study): A study in the USA found that after being translocated in a trial of responses to a hypothetical pollution incident, most sea-otters did not return to their capture location. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2542https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2542Mon, 08 Jun 2020 20:32:49 +0100Collected Evidence: Collected Evidence: Translocate animals from source populations subject to similar climatic conditions One study evaluated the effects of translocating mammals from source populations subject to similar climatic conditions. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Reproductive success (1 study): A study in the USA found that bighorn sheep translocated from populations subject to a similar climate to the recipient site reared more offspring than did those translocated from milder climatic areas. BEHAVIOUR (0 STUDIES)  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2553https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2553Tue, 09 Jun 2020 10:38:01 +0100Collected Evidence: Collected Evidence: Apply water to vegetation to increase food availability during drought One study evaluated the effects on mammals of applying water to vegetation to increase food availability during drought. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Use (1 study): A controlled, before-and-after study in the USA found that watering scrub during drought increased its use by adult Sonoran pronghorns for feeding. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2555https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2555Tue, 09 Jun 2020 10:47:58 +0100Collected Evidence: Collected Evidence: Increase size of protected area One study evaluated the effects on mammals of increasing the size of a protected area. This study was in South Africa. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Behaviour change (1 study): A before-and-after study in South Africa found that expanding a fenced reserve resulted in the home range of a reintroduced group of lions becoming larger but the core range becoming smaller. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2563https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2563Tue, 09 Jun 2020 12:55:29 +0100Collected Evidence: Collected Evidence: Increase resources for managing protected areas One study evaluated the effects on mammals of increasing resources for managing protected areas. This study was in Tanzania. COMMUNITY RESPONSE (1 STUDY) Species richness (1 study): A site comparison study in Tanzania found that mammal species richness was higher in a well-resourced national park, than in a less well-resourced forest reserve. POPULATION RESPONSE (1 STUDY) Abundance (1 study): A site comparison study Tanzania found that there were greater occupancy rates or relative abundances of most mammal species in a well-resourced national park than in a less well-resourced forest reserve. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2564https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2564Tue, 09 Jun 2020 12:57:32 +0100Collected Evidence: Collected Evidence: Sterilize predators One study evaluated the effects on potential prey mammals of sterilizing predators. This study was in the USA and Canada. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A before-and-after study in the USA and Canada found that sterilising some wolves (combined with trapping and removing others) did not increase caribou survival. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2573https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2573Wed, 10 Jun 2020 09:59:30 +0100Collected Evidence: Collected Evidence: Manage wetland water levels for mammal species One study evaluated the effects of managing wetland water levels for mammal species. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): A replicated, site comparison study in the USA found that managing wetland water levels to be higher in winter increased the abundance of muskrat houses. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2574https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2574Wed, 10 Jun 2020 10:49:37 +0100Collected Evidence: Collected Evidence: Provide diversionary feeding for predators One study evaluated the effects on potential prey mammals of providing diversionary feeding for predators. This study was in Canada. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A controlled, before-and-after study in Canada found that diversionary feeding of predators appeared to increase woodland caribou calf survival. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2578https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2578Wed, 10 Jun 2020 12:20:38 +0100Collected Evidence: Collected Evidence: Cull disease-infected animals One study evaluated the effects on mammals of culling disease-infected animals. This study was in Tasmania. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Condition (1 study): A before-and-after, site comparison study in Tasmania found that culling disease-infected Tasmanian devils resulted in fewer animals with large tumours associated with late stages of the disease. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2586https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2586Wed, 10 Jun 2020 16:02:00 +0100Collected Evidence: Collected Evidence: Establish populations isolated from disease One study evaluated the effects on mammals of establishing populations isolated from disease. The study was in sub-Saharan Africa. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Condition (1 study): A site comparison study throughout sub-Saharan Africa found that fencing reduced prevalence of canine distemper but not of rabies, coronavirus or canine parvovirus in African wild dogs. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2588https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2588Wed, 10 Jun 2020 17:12:09 +0100Collected Evidence: Collected Evidence: Install barrier fencing along railways One study evaluated the effects on mammals of installing barrier fencing along railways. This study was in Norway. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A before-and-after study in Norway found that fencing eliminated moose collisions with trains, except at the fence end. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2590https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2590Thu, 11 Jun 2020 09:13:01 +0100Collected Evidence: Collected Evidence: Install wildlife crosswalks One study evaluated the effects on mammals of installing wildlife crosswalks. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A replicated, before-and-after, site comparison study in the USA found that designated crossing points with barrier fencing did not significantly reduce road deaths of mule deer. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2593https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2593Thu, 11 Jun 2020 13:27:43 +0100Collected Evidence: Collected Evidence: Provide more small artificial breeding sites rather than fewer large sites One study evaluated the effects on mammals of providing more small artificial breeding sites rather than fewer larger sites. This study was in Spain. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): A replicated, controlled study in Spain found that smaller artificial warrens supported higher rabbit densities than did larger artificial warrens. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2595https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2595Thu, 11 Jun 2020 14:54:25 +0100Collected Evidence: Collected Evidence: Reduce legal speed limit One study evaluated the effects on mammals of reducing the legal speed limit. This study was in Canada. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A controlled, before-and-after study in Canada found that speed limit reductions and enforcement did not reduce vehicle collisions with bighorn sheep or elk. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2596https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2596Thu, 11 Jun 2020 15:03:23 +0100Collected Evidence: Collected Evidence: Install traffic calming structures to reduce speeds One study evaluated the effects on mammals of installing traffic calming structures to reduce speeds. This study was in Australia. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): A before-and-after study in Australia found that following installation of barriers to create a single lane, rumble strips, reflective wildlife signs, reflective wildlife deterrents, wildlife escape ramps and production of an educational pamphlet, a small population of eastern quoll population re-established in the area. Survival (1 study): A before-and-after study in Australia found that following installation of barriers to create a single lane, rumble strips, reflective wildlife signs, reflective wildlife deterrents, wildlife escape ramps and production of an educational pamphlet, vehicle collisions with Tasmanian devils, but not eastern quolls decreased. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2598https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2598Thu, 11 Jun 2020 15:10:14 +0100Collected Evidence: Collected Evidence: Modify the roadside environment to reduce collisions by reducing attractiveness of road verges to mammals One study evaluated the effects of modifying the roadside environment to reduce collisions by reducing attractiveness of road verges to mammals. This study was in Canada. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) (1 study): A replicated, before-and-after, site comparison study in Canada found that draining roadside salt pools and filling them with rocks reduced the number and duration of moose visits. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2600https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2600Thu, 11 Jun 2020 15:19:07 +0100Collected Evidence: Collected Evidence: Ban private ownership of hunted mammals One study evaluated the effects of banning private ownership of hunted mammals. This study was in Sweden. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): A before-and-after study in Sweden found that fewer brown bears were reported killed after the banning of private ownership of hunted bears. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2602https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2602Thu, 11 Jun 2020 15:34:18 +0100Collected Evidence: Collected Evidence: Site management for target mammal species carried out by field sport practitioners One study evaluated the effects of site management for a target mammal species being carried out by field sport practitioners. This study was in Ireland. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): A replicated, site comparison study in the Republic of Ireland found that sites managed for the sport of coursing Irish hares held more of this species than did the wider countryside. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2605https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2605Thu, 11 Jun 2020 15:49:34 +0100Collected Evidence: Collected Evidence: Incentivise species protection through licensed trophy hunting One study evaluated the effects on mammals of incentivising species protection through licensed trophy hunting. This study was in Nepal. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): A study in Nepal found that after trophy hunting started, bharal abundance increased, though the sex ratio of this species, and of Himalayan tahr, became skewed towards females. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2610https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2610Thu, 11 Jun 2020 16:42:28 +0100Collected Evidence: Collected Evidence: Ban exports of hunting trophies One study evaluated the effects of banning exports of hunting trophies on wild mammals. This study was in Cameroon. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): A before-and-after study in Cameroon found similar hippopotamus abundances before and after a ban on exporting hippopotamus hunting trophies. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2625https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2625Fri, 12 Jun 2020 10:54:25 +0100Collected Evidence: Collected Evidence: Close roads in defined seasons One study evaluated the effects on mammals of closing roads in defined seasons. This study was in the USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (1 STUDY) Use (1 study): A site comparison study in the USA found that closing roads to traffic during the hunting season increased use of those areas by mule deer. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2626https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2626Fri, 12 Jun 2020 11:07:53 +0100Collected Evidence: Collected Evidence: Provide supplementary feed to reduce tree damage One study evaluated the effects of providing supplementary feed on the magnitude of tree damage caused by mammals. This study was in USA. COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Human-wildlife conflict (1 study): A replicated, randomized, paired sites, controlled, before-and-after study in USA found that supplementary feeding reduced tree damage by black bears. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2629https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2629Fri, 12 Jun 2020 12:41:42 +0100
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What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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