#animal-mortality-calculator {
max-width: 700px;
margin: 20px auto;
padding: 20px;
background: #ffffff;
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
font-family: -apple-system, BlinkMacSystemFont, ‘Arial’, sans-serif;
color: #333333;
box-sizing: border-box;
line-height: 1.6;
}
h2 {
text-align: center;
margin: 0 0 15px;
font-size: 1.6rem;
font-weight: 600;
color: #222222;
}
p {
text-align: center;
color: #666666;
font-size: 0.9rem;
margin-bottom: 20px;
}
.form-group {
margin-bottom: 20px;
}
label {
display: block;
margin-bottom: 6px;
font-size: 0.9rem;
font-weight: 600;
color: #333333;
}
input[type=”number”], select {
width: 100%;
padding: 10px;
border: 1px solid #dddddd;
border-radius: 4px;
font-size: 0.9rem;
box-sizing: border-box;
transition: border-color 0.3s, box-shadow 0.3s;
}
input[type=”number”]:focus, select:focus {
border-color: #0073aa;
box-shadow: 0 0 5px rgba(0,115,170,0.3);
outline: none;
}
.input-row {
display: flex;
gap: 15px;
flex-wrap: wrap;
}
.input-row .form-group {
flex: 1;
min-width: 120px;
}
.tooltip {
position: relative;
display: inline-block;
margin-left: 5px;
cursor: help;
}
.tooltip .tooltip-text {
visibility: hidden;
width: 220px;
background: #333333;
color: #ffffff;
text-align: center;
border-radius: 4px;
padding: 8px;
position: absolute;
z-index: 10;
bottom: 125%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
transition: opacity 0.3s;
font-size: 0.75rem;
}
.tooltip:hover .tooltip-text {
visibility: visible;
opacity: 1;
}
.button-group {
display: flex;
gap: 12px;
justify-content: center;
margin: 20px 0;
}
button {
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 0.9rem;
font-weight: 500;
transition: background 0.3s, transform 0.2s;
}
button:hover {
transform: translateY(-1px);
}
#calculate-btn {
background: #0073aa;
color: #ffffff;
}
#calculate-btn:hover {
background: #005177;
}
#reset-btn {
background: #6c757d;
color: #ffffff;
}
#reset-btn:hover {
background: #5a6268;
}
#copy-btn {
background: #28a745;
color: #ffffff;
}
#copy-btn:hover {
background: #218838;
}
#result {
margin-top: 20px;
padding: 15px;
border-radius: 4px;
font-size: 0.9rem;
line-height: 1.6;
min-height: 30px;
opacity: 0;
transition: opacity 0.5s;
}
#result.show {
opacity: 1;
}
#result.success {
background: #e6f4ea;
border: 1px solid #28a745;
}
#result.error {
background: #f8d7da;
border: 1px solid #dc3545;
}
.notes {
margin-top: 15px;
font-size: 0.85rem;
}
.notes ul {
padding-left: 20px;
}
.learn-more {
display: block;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
color: #0073aa;
text-decoration: none;
}
.learn-more:hover {
text-decoration: underline;
}
noscript {
display: block;
color: #dc3545;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
}
@media (max-width: 600px) {
#animal-mortality-calculator {
margin: 10px;
padding: 15px;
}
h2 {
font-size: 1.3rem;
}
.input-row {
flex-direction: column;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
}
}
Interpretation: ${speciesNote}
Animal Mortality Rate Calculator
Calculate the mortality rate of an animal population based on deaths and total population size, expressed per 1000 individuals.
Rat
Turtle
Other
Enter population details and click “Calculate”.
Learn More About Mortality Rates
JavaScript is disabled. Please enable it to use the calculator.
(function() {
document.addEventListener(‘DOMContentLoaded’, function() {
const form = document.getElementById(‘calc-form’);
const speciesSelect = document.getElementById(‘species’);
const deathsInput = document.getElementById(‘deaths’);
const populationInput = document.getElementById(‘population’);
const timePeriodInput = document.getElementById(‘time-period’);
const resultDiv = document.getElementById(‘result’);
if (!form || !speciesSelect || !deathsInput || !populationInput || !resultDiv) {
console.error(‘Required DOM elements missing.’);
resultDiv.innerHTML = ‘Error: Calculator failed to initialize. Please refresh the page.’;
resultDiv.className = ‘error’;
return;
}
function calculate() {
resultDiv.className = ”;
resultDiv.innerHTML = ”;
resultDiv.classList.remove(‘show’);
try {
const deaths = parseInt(deathsInput.value) || 0;
const population = parseInt(populationInput.value) || 0;
const timePeriod = parseInt(timePeriodInput.value) || null;
if (deaths < 0 || population < 1) {
throw new Error('Number of deaths must be non-negative, and population must be at least 1.');
}
const mortalityRatePer1000 = (deaths / population) * 1000;
const mortalityRatePercent = (deaths / population) * 100;
let speciesNote = '';
switch (speciesSelect.value) {
case 'rat':
speciesNote = 'For rats, a mortality rate above 50 per 1000 may indicate health issues.';
break;
case 'turtle':
speciesNote = 'For turtles, a rate above 20 per 1000 may suggest environmental stress.';
break;
case 'other':
speciesNote = 'Adjust interpretation based on species-specific norms.';
break;
}
let timeNote = timePeriod ? ` over a ${timePeriod}-day period.` : '.';
let message = `
Mortality Rate: ${mortalityRatePercent.toFixed(2)}% (${mortalityRatePer1000.toFixed(2)} per 1000 individuals)${timeNote}Interpretation: ${speciesNote}
Additional Insights:
`;
resultDiv.innerHTML = message;
resultDiv.className = ‘success’;
setTimeout(() => resultDiv.classList.add(‘show’), 100);
document.getElementById(‘copy-btn’).addEventListener(‘click’, () => {
const text = `
Animal Mortality Rate Calculator Results
Mortality Rate: ${mortalityRatePercent.toFixed(2)}% (${mortalityRatePer1000.toFixed(2)} per 1000 individuals)${timeNote}
Interpretation: ${speciesNote}
Additional Insights:
– High mortality may indicate disease, poor diet, or inadequate habitat.
– Regular monitoring and veterinary care can help reduce rates.
– Compare with species-specific baseline rates for accuracy.
`.trim();
navigator.clipboard.writeText(text).then(() => {
alert(‘Results copied to clipboard!’);
}).catch(() => {
alert(‘Failed to copy results. Please copy manually.’);
});
});
} catch (error) {
resultDiv.innerHTML = `Error: ${error.message}`;
resultDiv.className = ‘error’;
setTimeout(() => resultDiv.classList.add(‘show’), 100);
}
}
function reset() {
form.reset();
resultDiv.className = ”;
resultDiv.innerHTML = ‘Enter population details and click “Calculate”.’;
resultDiv.classList.remove(‘show’);
deathsInput.focus();
}
document.getElementById(‘calculate-btn’).addEventListener(‘click’, calculate);
document.getElementById(‘reset-btn’).addEventListener(‘click’, reset);
form.addEventListener(‘keypress’, (e) => {
if (e.key === ‘Enter’ && e.target.tagName !== ‘BUTTON’) {
e.preventDefault();
calculate();
}
});
});
})();
- High mortality may indicate disease, poor diet, or inadequate habitat.
- Regular monitoring and veterinary care can help reduce rates.
- Compare with species-specific baseline rates for accuracy.