Free on-device tool
Dog behaviour diary
Record what you actually saw, along with what happened before and after. This simple log helps you bring clearer observations to a vet or qualified behaviour professional. It does not explain why your dog behaved that way or provide a diagnosis.
Record an observation
Keep each entry short. You can also mark a day with no episode, so an empty day is not confused with a forgotten day. Record only naturally occurring moments; never provoke your dog to make an entry.
Your diary
No entries yet. Add an observation or a quiet day to see your summary.
The summary counts every recorded entry, including entries not currently shown. Repeated wording is not a cause or a prediction.
- No entries yet. Start with an observation or a quiet day above.
Keep or remove your diary
Entries stay in this page until you choose Save to this device. Saving uses this browser's local storage on this device; it does not create an account or send your entries to us. Anyone using the same browser profile may be able to read them. Clearing browser data or using a private window can remove saved entries.
Nothing saved yet. Unsaved entries will disappear if you close or reload this page.
Editing or deleting an entry changes only the current page until you save again. Clearing removes both the on-screen diary and this tool's saved copy, after confirmation. There is no download or account backup.
Use the diary safely
Note the date, place, what came before, the behaviour you could see or hear, and how it ended. If nothing obvious came before, write that. Keep the description neutral and consider the whole dog and the situation, rather than reading one signal in isolation. For more detail, read how to keep a useful behaviour diary and how to read your dog's body language in context.
Do not test a suspected trigger, corner your dog, remove a guarded item or arrange a stressful encounter for the sake of a record. If there is a bite risk, guarding, serious distress or a situation you cannot safely manage, prioritise distance and safety and seek qualified help rather than continuing to log incidents. Ask a vet about a sudden change in behaviour or possible pain. See when to seek professional behaviour help.
Review entries by week or month
Use List to see your newest entries first. Week and Month collect entries under expandable date headings, so you can look back without scrolling through the whole diary. Open a month to see its ten newest entries, then choose Show more in this month to reveal older ones. The summary still counts every recorded entry, including those not currently visible.
What the summary can help you discuss
Look back at the dated observations before a vet or behaviour appointment. You can describe where and when you noticed episodes, what you observed immediately beforehand, what your dog did and what happened next. Quiet-day entries make it easier to distinguish a day you watched carefully from one you did not record at all. The on-page counts are a prompt for questions, not a test of whether your dog is improving.
If the same situation appears in several entries, tell the professional what you saw without treating that situation as a proven cause. Do not keep logging for weeks if someone is at risk. Dogs Trust also advises recording when and where concerning behaviour occurs, while prioritising safety and qualified support.
Common questions
Does this tool tell me what caused the behaviour?
No. It counts your recorded entries and groups repeated descriptions. A coincidence in this small log cannot establish a cause or a diagnosis.
What if I did not notice anything happening beforehand?
Write “nothing obvious”. Do not guess. A short, honest observation is more useful than a confident story you cannot verify.
What happens if I close the page?
Only entries you explicitly saved to this device can be restored in this browser profile. If saving is blocked or browser data is cleared, this tool cannot recover them.