Little is still known of the distribution and population trends of most mammals in the UK. This free app can be used to help address this problem.

To make recording mammals simpler this new app version brings together both Mammal Mapper and Mammal Tracker.

Mammal Mapper v2 allows you to record sightings as part of a survey and ad hoc sightings. When running a survey the app records your route and its duration along with the number and location of animals seen. The app also allows you to collect other valuable information such as how far away and where the animal was in relation to your position. It also allows you to upload images of your sightings, where these are possible. Surveys are much more valuable than isolated records since they allow the absence of species and animal densities to be inferred.

Ad hoc sightings can be added whenever you don't have the time to do a survey or when you come across something you wish to record quickly.

All terrestrial mammals (now including bats as a general group) can be recorded.

What’s New

Version 2.0.0

Completely revised version
App now unites Mammal Mapper and Mammal Tracker - record surveys and/or ad hoc sightings in the same app
New species have been added
App now features new and improved background tracking
Totally refreshed design

Ratings and Reviews

3.7 out of 5
3 Ratings

3 Ratings

Thepenguinegg ,

Good but could do with improvement

I would really like to be able to go back to a past day and record as I don’t have data only WiFi which can’t be used on walks but I know
The location of deer, badgers, foxes and mice and want to log them. So problem is I can’t use the app to record as it needs data. Otherwise it’s good and very informative

Developer Response ,

Hi there. The app will work offline so you should be able to use it out on your walks without WiFi or data. GPS is all that's required and this is independent of either data or WiFi. You won't be able to view the map whilst out obviously, but the location/track will still be recorded. I hope this helps!

The GrizedaleGang ,

Rediculous privacy policy

I have downloaded this app twice but deleted it on both occasions due to a privacy policy that REQUIRES me to allow all my data to be shared with anyone. Some of it is to be shared “permanently” which I thought was against the law. I’m not doing that.

More than happy to help spot mammals but this is simply unacceptable.

Developer Response ,

Hi! Thank you for your interest in the Mammal Mapper app. Below is a response to your comments from the Mammal Society (the project owners):

"Hello! We think that you may have misinterpreted the app's privacy policy. It is true that your mammal records may be kept indefinitely but this is the nature of biological recordings. There are biological records that exist from decades ago, and these are incredibly important for helping researchers to understand how the conservation status of animals is changing.

The data you provide are not automatically shared with everyone but, if you choose to do so, they can be shared with the National Biodiversity Network, the UK’s central repository for biological records. The only information available is your user name (which does not need to be the same as your actual name e.g. foxrecorder27), the species recorded, the place and the time. As stated in the policy your contact details will not be shared with anyone else. Moreover, if you are not happy with this, and as also stated in the privacy policy you can withdraw your data at anytime."

We hope that this clarifies matters and also hope that you will continue to use the app to help improve the conservation of Mammals in Britain.

Lettys Spraye ,

Some drawbacks.....

This app requires location to be “always on”. So it will be a battery-draining app on the iPhone, not withstanding privacy concerns you may have about this.
Also, at present the app is not designed for static use, it’s only for use when you are out for a walk or a cycle ride etc. If you see a red deer in your garden, this app isn’t suitable to record it. The app developers have another app you can use for this.
It would be helpful if the info in the App Store could include these points.

Developer Response ,

Currently we're investigating whether we can enable the app to use "Whilst Using". At the present time this is very unreliable when the app is put into the background and tracking stops randomly. Additionally, Mammal Mapper is not intended for recording observations from static locations. The app you need for this is Mammal Tracker instead. I hope this helps.


Natural Apptitude Ltd
90.1 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
This app may use your location even when it isn't open, which can decrease battery life.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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